-2x^2-10x+72=0

Simple and best practice solution for -2x^2-10x+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^2-10x+72=0 equation:


Simplifying
-2x2 + -10x + 72 = 0

Reorder the terms:
72 + -10x + -2x2 = 0

Solving
72 + -10x + -2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(36 + -5x + -1x2) = 0

Factor a trinomial.
2((4 + -1x)(9 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(9 + x)' equal to zero and attempt to solve: Simplifying 9 + x = 0 Solving 9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x = 0 + -9 x = 0 + -9 Combine like terms: 0 + -9 = -9 x = -9 Simplifying x = -9

Solution

x = {4, -9}

See similar equations:

| 4x+x-8=x+9 | | 56-(4rt(7x^2+4))=54 | | 64x^4+x^3-x^2+75x-25=f(x) | | 21-3x=5x+5 | | 56-4rt(7x^2+4)=54 | | -0.3p-0.2q=-4 | | 64x^4+x^3-x^2+75-25=f(x) | | 3x-15=41 | | 2(x^2+4x-77)=0 | | 12x+31y=422 | | 12x+31=422 | | lnx=40*x | | lnx=40x | | lnx-x=0 | | 56-4sqrt(7x^2+4)=54 | | 9x-14=8x+11 | | 33+2x=12 | | 10x-25=100 | | 95-3x=59 | | 10x+18=26+10 | | 10x+18=26+10 | | Y=4.2+3.6X | | 30-x=27.77 | | 27.77+.08x=30 | | 1.08x=30-x | | x+1.08x=30 | | x+x(.08)=30 | | .2Y+8+5X=27 | | h=-16t^2+102t+4 | | (-7)X(-9)= | | 7r=12 | | 4y+19=7(y+4) |

Equations solver categories