7y^2-7y+15-13y^2-7y+5=

Simple and best practice solution for 7y^2-7y+15-13y^2-7y+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 7y^2-7y+15-13y^2-7y+5= equation:


Simplifying
7y2 + -7y + 15 + -13y2 + -7y + 5 = 0

Reorder the terms:
15 + 5 + -7y + -7y + 7y2 + -13y2 = 0

Combine like terms: 15 + 5 = 20
20 + -7y + -7y + 7y2 + -13y2 = 0

Combine like terms: -7y + -7y = -14y
20 + -14y + 7y2 + -13y2 = 0

Combine like terms: 7y2 + -13y2 = -6y2
20 + -14y + -6y2 = 0

Solving
20 + -14y + -6y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '2'.
2(10 + -7y + -3y2) = 0

Factor a trinomial.
2((1 + -1y)(10 + 3y)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(1 + -1y)' equal to zero and attempt to solve: Simplifying 1 + -1y = 0 Solving 1 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1y = 0 + -1 -1y = 0 + -1 Combine like terms: 0 + -1 = -1 -1y = -1 Divide each side by '-1'. y = 1 Simplifying y = 1

Subproblem 2

Set the factor '(10 + 3y)' equal to zero and attempt to solve: Simplifying 10 + 3y = 0 Solving 10 + 3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + 3y = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 3y = 0 + -10 3y = 0 + -10 Combine like terms: 0 + -10 = -10 3y = -10 Divide each side by '3'. y = -3.333333333 Simplifying y = -3.333333333

Solution

y = {1, -3.333333333}

See similar equations:

| 4+5*5-2*(3-5)= | | 9p+3(p-7)= | | 2(x+7)=7x+6-5x+8 | | 20x+14=58 | | 59=14+x | | -160=4x | | 10x+27(x-4)=299 | | 28+-12= | | -360=m/(-3) | | -41+x=10 | | -3(x-4)+7=2(x+3) | | 4+5*5-2*2= | | -360=m/3 | | 5v^2+6v= | | 5(u+7)= | | 8x-5=8(x+3) | | H=-16t^2+116t+101 | | 8n-2n=15 | | 2a+4(a+1)-3a= | | 0.8(x+200)=0.84x-136 | | 9p+2(p-8)=3(1+2p) | | 4.9x-1.1y+4.1x-0.3y= | | 21K=63 | | 0.3(4z+6)+3.2=0.5(4z-6) | | 23/3=x/12 | | (2x-9)/7=5+(x/35) | | 11x-10=67 | | -0.3x^2-0.7x+1.2= | | -(-15)= | | y-(-6)=-14 | | x^5+x+2x^3+9+4x^2= | | (-15)(-8)= |

Equations solver categories