(6y^2+7y-3)-(-9y+5)=

Simple and best practice solution for (6y^2+7y-3)-(-9y+5)= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (6y^2+7y-3)-(-9y+5)= equation:


Simplifying
(6y2 + 7y + -3) + -1(-9y + 5) = 0

Reorder the terms:
(-3 + 7y + 6y2) + -1(-9y + 5) = 0

Remove parenthesis around (-3 + 7y + 6y2)
-3 + 7y + 6y2 + -1(-9y + 5) = 0

Reorder the terms:
-3 + 7y + 6y2 + -1(5 + -9y) = 0
-3 + 7y + 6y2 + (5 * -1 + -9y * -1) = 0
-3 + 7y + 6y2 + (-5 + 9y) = 0

Reorder the terms:
-3 + -5 + 7y + 9y + 6y2 = 0

Combine like terms: -3 + -5 = -8
-8 + 7y + 9y + 6y2 = 0

Combine like terms: 7y + 9y = 16y
-8 + 16y + 6y2 = 0

Solving
-8 + 16y + 6y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-4 + 8y + 3y2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-4 + 8y + 3y2)' equal to zero and attempt to solve: Simplifying -4 + 8y + 3y2 = 0 Solving -4 + 8y + 3y2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -1.333333333 + 2.666666667y + y2 = 0 Move the constant term to the right: Add '1.333333333' to each side of the equation. -1.333333333 + 2.666666667y + 1.333333333 + y2 = 0 + 1.333333333 Reorder the terms: -1.333333333 + 1.333333333 + 2.666666667y + y2 = 0 + 1.333333333 Combine like terms: -1.333333333 + 1.333333333 = 0.000000000 0.000000000 + 2.666666667y + y2 = 0 + 1.333333333 2.666666667y + y2 = 0 + 1.333333333 Combine like terms: 0 + 1.333333333 = 1.333333333 2.666666667y + y2 = 1.333333333 The y term is 2.666666667y. Take half its coefficient (1.333333334). Square it (1.777777780) and add it to both sides. Add '1.777777780' to each side of the equation. 2.666666667y + 1.777777780 + y2 = 1.333333333 + 1.777777780 Reorder the terms: 1.777777780 + 2.666666667y + y2 = 1.333333333 + 1.777777780 Combine like terms: 1.333333333 + 1.777777780 = 3.111111113 1.777777780 + 2.666666667y + y2 = 3.111111113 Factor a perfect square on the left side: (y + 1.333333334)(y + 1.333333334) = 3.111111113 Calculate the square root of the right side: 1.763834208 Break this problem into two subproblems by setting (y + 1.333333334) equal to 1.763834208 and -1.763834208.

Subproblem 1

y + 1.333333334 = 1.763834208 Simplifying y + 1.333333334 = 1.763834208 Reorder the terms: 1.333333334 + y = 1.763834208 Solving 1.333333334 + y = 1.763834208 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + y = 1.763834208 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + y = 1.763834208 + -1.333333334 y = 1.763834208 + -1.333333334 Combine like terms: 1.763834208 + -1.333333334 = 0.430500874 y = 0.430500874 Simplifying y = 0.430500874

Subproblem 2

y + 1.333333334 = -1.763834208 Simplifying y + 1.333333334 = -1.763834208 Reorder the terms: 1.333333334 + y = -1.763834208 Solving 1.333333334 + y = -1.763834208 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + y = -1.763834208 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + y = -1.763834208 + -1.333333334 y = -1.763834208 + -1.333333334 Combine like terms: -1.763834208 + -1.333333334 = -3.097167542 y = -3.097167542 Simplifying y = -3.097167542

Solution

The solution to the problem is based on the solutions from the subproblems. y = {0.430500874, -3.097167542}

Solution

y = {0.430500874, -3.097167542}

See similar equations:

| 7y-4+2y=3(y+5)-1 | | .5m+3=.20m+5 | | 5x/3=5 | | y=6-7 | | (5a+2b)-(3a+b)= | | 3(c+7)=3(c-7) | | 13(s-1)=18 | | (3x+4)=-5x-36 | | 4x+34=94 | | (2+4i+2ix+-2ix^2+-1x+-2x^2+x^3)(x-1-2i)= | | 15+15-8=22 | | -82+5x=-4x+152 | | 0=x^2-12x+45 | | 4x-3=3y-22 | | 8(2x+1)-3(4x-3)=-62 | | 8x+4=7x-2 | | (x^2-x-2)(x-1-2i)= | | V=3.14r | | 40x+34=94 | | 12x=10x-31 | | b(r)=7*2r+1 | | 3x+4(x+1)=25 | | 5y^2+45=0 | | 1+7(5+4b)=3(9b+10) | | 41x^2+1=8x | | -20+10x=80 | | -16d^2+20d+3=9 | | 4y+2(y-2)=7y-(y-10) | | (7f-2)-(6f+12)= | | 8x-32=64 | | 38=-7w+5(w+8) | | 20x+35= |

Equations solver categories