x^2-4x-13=32

Simple and best practice solution for x^2-4x-13=32 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-13=32 equation:


Simplifying
x2 + -4x + -13 = 32

Reorder the terms:
-13 + -4x + x2 = 32

Solving
-13 + -4x + x2 = 32

Solving for variable 'x'.

Reorder the terms:
-13 + -32 + -4x + x2 = 32 + -32

Combine like terms: -13 + -32 = -45
-45 + -4x + x2 = 32 + -32

Combine like terms: 32 + -32 = 0
-45 + -4x + x2 = 0

Factor a trinomial.
(-5 + -1x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 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 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-5, 9}

See similar equations:

| r+[-0.16]=0.37 | | 3x+8=a | | 2*3.14*r*105+2*3.14*r^2=16616.88 | | a=3.9-[-8] | | Kx^2+(K-3)x+3=-71 | | n*n=6.25 | | 1-n=n-1 | | n=3n-.5 | | .6n=1 | | n*n=.25 | | .09n=11 | | 3x^2+8x=32 | | -.125n=80 | | -5n-5n-5=5 | | 10n-9n+8n-7n+6n=10-9+8-7+6 | | n*n+9=34 | | 90-2c=60 | | 7x+13=6x+11 | | 3x-1=2-3x | | 0.8x-1=-x+8 | | 0.8x-1=-x-8 | | x+(x-0.1)*0.583=0.2 | | 2n+10=3n+5 | | 0.8x-5=-x-8 | | 0.8x-10=-x+8 | | n*n=64 | | x+(x-0.1)*5=0.20 | | .1n=100 | | -0.5x-5=3x+1 | | n-n=10-n | | 1.50(4x+5)=1.17 | | .5n+1.5n=-10 |

Equations solver categories