4x^2+8x=320

Simple and best practice solution for 4x^2+8x=320 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 4x^2+8x=320 equation:


Simplifying
4x2 + 8x = 320

Reorder the terms:
8x + 4x2 = 320

Solving
8x + 4x2 = 320

Solving for variable 'x'.

Reorder the terms:
-320 + 8x + 4x2 = 320 + -320

Combine like terms: 320 + -320 = 0
-320 + 8x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-80 + 2x + x2) = 0

Factor a trinomial.
4((-10 + -1x)(8 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-10 + -1x)' equal to zero and attempt to solve: Simplifying -10 + -1x = 0 Solving -10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1x = 0 + 10 -1x = 0 + 10 Combine like terms: 0 + 10 = 10 -1x = 10 Divide each side by '-1'. x = -10 Simplifying x = -10

Subproblem 2

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

Solution

x = {-10, 8}

See similar equations:

| 21d-4=-67 | | -5(2t-3)+2t=8t-6 | | 8-2x+8+1=5x+5+1 | | 3*x-4=11 | | 3(4y-21)=7 | | 0.25x+7=0.33x-8 | | loge(x^2)-2=0 | | -2xy=-3 | | 15-.75z=13-.50z | | -6+3v+v=6 | | r+26-32r=-41 | | 8x^2-16x-8=0 | | -3(4t-5)+2t=6t-4 | | 2x+[5x(-2x-3x)]= | | 6x-10=2x-2 | | X=4x+8x | | 11-4n=17 | | 3x=11+49 | | 10=h-5g | | 2.2-7.3= | | 3t+5=3(5+t) | | 15-.75z=13.50z | | 2(5-2x)=15.1-7x | | -7r-39r=115 | | 7(7x-7)=-196 | | 180-(5x-10)=8x-5 | | z-9z=4z-5-z | | 36-(3c+4)=2 | | 5(2z+6)=-4(-5-2z)+32 | | 3y+0x=18 | | 6e-2=15e+1 | | 8x+830=1250 |

Equations solver categories