x^2=4(8-x)

Simple and best practice solution for x^2=4(8-x) 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 x^2=4(8-x) equation:


Simplifying
x2 = 4(8 + -1x)
x2 = (8 * 4 + -1x * 4)
x2 = (32 + -4x)

Solving
x2 = 32 + -4x

Solving for variable 'x'.

Reorder the terms:
-32 + 4x + x2 = 32 + -4x + -32 + 4x

Reorder the terms:
-32 + 4x + x2 = 32 + -32 + -4x + 4x

Combine like terms: 32 + -32 = 0
-32 + 4x + x2 = 0 + -4x + 4x
-32 + 4x + x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
-32 + 4x + x2 = 0

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

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 '(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

Solution

x = {-8, 4}

See similar equations:

| x^2+17x-41=8x-5 | | x^2-3x-20=-6x-2 | | Y^2-24Y-252=0 | | 3/4:5/4::x:1 | | 0.045X^2-103X-140000=0 | | 12c+120=18c+162 | | 5r-r+6n+2n-5r= | | 4-5x^2=0 | | z^2+2zi-1=0 | | =(x-6)(3x+7) | | (7x-3)=3(x+1) | | .15*p-.15*7=5.55 | | 10x-1/x=3 | | (a-b)x^2-(a+b)x+2b=0 | | 24-3x^2/2 | | 4(3y-2)=6 | | 5=10-15/x | | -2(2t-9)=-6 | | 5c^2+4c=1 | | 6a+4a+5+8= | | f(3)=2x^2+7x-19 | | 24x=137.5 | | 4y=6x+9 | | 56=(2-3q) | | 2x^2-100x+33=0 | | 4x-3=2x+99 | | X^2+Y^2+2X+10Y+18=0 | | 4x-4y-16=0 | | 15+X(4)= | | 3ex/4x-2 | | 4xy-11Y-17X+43=0 | | -10(s+1)=43 |

Equations solver categories