2x^2+40x=-72

Simple and best practice solution for 2x^2+40x=-72 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+40x=-72 equation:


Simplifying
2x2 + 40x = -72

Reorder the terms:
40x + 2x2 = -72

Solving
40x + 2x2 = -72

Solving for variable 'x'.

Reorder the terms:
72 + 40x + 2x2 = -72 + 72

Combine like terms: -72 + 72 = 0
72 + 40x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(36 + 20x + x2) = 0

Factor a trinomial.
2((18 + x)(2 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(18 + x)' equal to zero and attempt to solve: Simplifying 18 + x = 0 Solving 18 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + x = 0 + -18 x = 0 + -18 Combine like terms: 0 + -18 = -18 x = -18 Simplifying x = -18

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-18, -2}

See similar equations:

| v^2w^4-16v^2=0 | | 4.50y+9.00x=180 | | 15x^3+9+5x^4-2= | | -8(s+4)=-28 | | 2/2-2/4=n | | -1-(-3x+2)-7x+8=-47 | | 6b+14=-7b | | -[-2x+2(20-3x)-40]=10 | | 29=x^3 | | 10x+2y=168 | | 4y^2-25x^2-32y+164=0 | | -2(2t+10)=-44 | | -[-2x+2(29-3x)-40]=10 | | x^2-3y=4 | | .5x-2=y | | y^2-x^4y^2=0 | | -7b+20=2b-7 | | 4t^2-25x^2-32y+164=0 | | 6x=159 | | 3n-7=44 | | x+x+10(6)=720 | | 21+3x=3x+21 | | 8=5/3x | | 4n-12=36 | | 21+3x=21+3x | | 3u^3v^4-48u^3=0 | | .24+2.6=.06(1-.2y) | | 3(13)+y=4 | | 3(x-4)+5=-1 | | 1/3y-1/4x=5 | | 3(4-x)+5=-1 | | n-2.5=11 |

Equations solver categories