2x^2+6x-8-72=0

Simple and best practice solution for 2x^2+6x-8-72=0 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 2x^2+6x-8-72=0 equation:


Simplifying
2x2 + 6x + -8 + -72 = 0

Reorder the terms:
-8 + -72 + 6x + 2x2 = 0

Combine like terms: -8 + -72 = -80
-80 + 6x + 2x2 = 0

Solving
-80 + 6x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-40 + 3x + x2) = 0

Factor a trinomial.
2((-8 + -1x)(5 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-8, 5}

See similar equations:

| x+18+2x=180 | | -3-x=21 | | 18x=24*21 | | 6+x=6x-39 | | p-25=10-4p | | 5y-(2y+15)+3y=5y-3 | | 4x=8*12 | | 4x+3y=70 | | 3x^4+8x^2=1 | | 9a+11c=214 | | -7=3w+8 | | 13-(7-2)= | | 8x^3+12x^2+10x=0 | | v/8=v+4 | | R=4x+50 | | v/88=v+4 | | -16xt^2+38.4x+3.5=0 | | y=10(-5x+1) | | -2x^3-2x^2+112x= | | -11z=-32 | | 16=12x | | y=x^2-20x+10 | | -4h-5=3h+9 | | 2sin(30+x)=3x | | 3y-7+3y+1=180 | | C=2(3.14)(7.8) | | Y+3=4x | | -5-8(1+7x)=-8 | | 0=x^2-100 | | 137x=497 | | 0=e-11e^3 | | 5y-16=3y |

Equations solver categories