(3x^2-7x-6)+(-3+2)=

Simple and best practice solution for (3x^2-7x-6)+(-3+2)= 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 (3x^2-7x-6)+(-3+2)= equation:


Simplifying
(3x2 + -7x + -6) + (-3 + 2) = 0

Reorder the terms:
(-6 + -7x + 3x2) + (-3 + 2) = 0

Remove parenthesis around (-6 + -7x + 3x2)
-6 + -7x + 3x2 + (-3 + 2) = 0

Combine like terms: -3 + 2 = -1
-6 + -7x + 3x2 + (-1) = 0
-6 + -7x + 3x2 + -1 = 0

Reorder the terms:
-6 + -1 + -7x + 3x2 = 0

Combine like terms: -6 + -1 = -7
-7 + -7x + 3x2 = 0

Solving
-7 + -7x + 3x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
-2.333333333 + -2.333333333x + x2 = 0

Move the constant term to the right:

Add '2.333333333' to each side of the equation.
-2.333333333 + -2.333333333x + 2.333333333 + x2 = 0 + 2.333333333

Reorder the terms:
-2.333333333 + 2.333333333 + -2.333333333x + x2 = 0 + 2.333333333

Combine like terms: -2.333333333 + 2.333333333 = 0.000000000
0.000000000 + -2.333333333x + x2 = 0 + 2.333333333
-2.333333333x + x2 = 0 + 2.333333333

Combine like terms: 0 + 2.333333333 = 2.333333333
-2.333333333x + x2 = 2.333333333

The x term is -2.333333333x.  Take half its coefficient (-1.166666667).
Square it (1.361111112) and add it to both sides.

Add '1.361111112' to each side of the equation.
-2.333333333x + 1.361111112 + x2 = 2.333333333 + 1.361111112

Reorder the terms:
1.361111112 + -2.333333333x + x2 = 2.333333333 + 1.361111112

Combine like terms: 2.333333333 + 1.361111112 = 3.694444445
1.361111112 + -2.333333333x + x2 = 3.694444445

Factor a perfect square on the left side:
(x + -1.166666667)(x + -1.166666667) = 3.694444445

Calculate the square root of the right side: 1.922093766

Break this problem into two subproblems by setting 
(x + -1.166666667) equal to 1.922093766 and -1.922093766.

Subproblem 1

x + -1.166666667 = 1.922093766 Simplifying x + -1.166666667 = 1.922093766 Reorder the terms: -1.166666667 + x = 1.922093766 Solving -1.166666667 + x = 1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = 1.922093766 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = 1.922093766 + 1.166666667 x = 1.922093766 + 1.166666667 Combine like terms: 1.922093766 + 1.166666667 = 3.088760433 x = 3.088760433 Simplifying x = 3.088760433

Subproblem 2

x + -1.166666667 = -1.922093766 Simplifying x + -1.166666667 = -1.922093766 Reorder the terms: -1.166666667 + x = -1.922093766 Solving -1.166666667 + x = -1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = -1.922093766 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = -1.922093766 + 1.166666667 x = -1.922093766 + 1.166666667 Combine like terms: -1.922093766 + 1.166666667 = -0.755427099 x = -0.755427099 Simplifying x = -0.755427099

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.088760433, -0.755427099}

See similar equations:

| 9(1x+-3)= | | -5=y/9 | | 3x^2+27x-7.9=0 | | -8+x=5c | | 11-4(3-5x)+x=83 | | a-(4a-4)=7 | | m=2.66+0.66x | | 5(1-2x)-3+11x=3 | | 9y+x=-5 | | 3sqrtx=0.04 | | x^3=0.04 | | (-11+-1x)(4+-1x)=0 | | -9m-13=47 | | x-4-2(3x-1)=8 | | 3/4-4/2 | | 3/4x-4/2x | | -8n*4n=6n | | 9x+1y=6x+25 | | (2a+6)-(3a+4b-9)= | | 17-7+x=7+9-4 | | 7[x+(-5)]= | | 4-4n*6n= | | 8x-5y=7x+3 | | 8+lnx=7 | | 12x-y+24=0 | | 4(x-1)-2(x-2)=2(x-1) | | -2x(3x+2)= | | 5x-8x+32=20 | | 6g^2+15g=0 | | x-24=-(-49+7)-2 | | X-3=(x/2) | | 6g^2+15=0 |

Equations solver categories