-x^2=4x+4

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


Simplifying
-1x2 = 4x + 4

Reorder the terms:
-1x2 = 4 + 4x

Solving
-1x2 = 4 + 4x

Solving for variable 'x'.

Reorder the terms:
-4 + -4x + -1x2 = 4 + 4x + -4 + -4x

Reorder the terms:
-4 + -4x + -1x2 = 4 + -4 + 4x + -4x

Combine like terms: 4 + -4 = 0
-4 + -4x + -1x2 = 0 + 4x + -4x
-4 + -4x + -1x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
-4 + -4x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(4 + 4x + x2) = 0

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

Ignore the factor -1.

Subproblem 1

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

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 = {-2, -2}

See similar equations:

| 431=m/9+402 | | 6x/13x-7=x/x+5 | | 1.530=x | | (4/x-2)+(3/x+5)=(7/(x+5)(x-2)) | | (2x-4)=-11x+2 | | n/20+157=171 | | a+16=43 | | 5x+10=4a-3 | | 3x-6=2+5 | | -1=(s-973)/-21 | | h-40=26 | | (x+5/2)-4=(2x-1/3) | | 5*2x+20X=90 | | (1.5x)=(x+30) | | (2x+7)(x+1)=3(x+4)-9 | | 1.7x-2.3=4.5 | | 4+6x+7x=-100 | | 14x^2-14x=0 | | 28=s/5+24 | | 2x/3-x=x/12-5/4 | | 22-4r=6 | | 4=f/4-2 | | 2x-15=28 | | 6x-3x+x-3+4x= | | 86=6j+20 | | (3y-1)=(4y+7) | | 2x/3+10-x/5+36/5 | | 5=(c-72)/4 | | d^3+5d^3= | | 4(-4)(-2)= | | -3(x+3)+4x=11 | | 6(5x)-9(52x)=1 |

Equations solver categories