(X-9)(x+3)=x^2+4x+13

Simple and best practice solution for (X-9)(x+3)=x^2+4x+13 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-9)(x+3)=x^2+4x+13 equation: 



(X-9)(X+3)=X^2+4X+13

We move all terms to the left:

(X-9)(X+3)-(X^2+4X+13)=0

We get rid of parentheses

-X^2+(X-9)(X+3)-4X-13=0

We multiply parentheses ..

-X^2+(+X^2+3X-9X-27)-4X-13=0

We add all the numbers together, and all the variables

-1X^2+(+X^2+3X-9X-27)-4X-13=0

We get rid of parentheses

-1X^2+X^2+3X-9X-4X-27-13=0

We add all the numbers together, and all the variables

-10X-40=0

We move all terms containing X to the left, all other terms to the right

-10X=40

X=40/-10

X=-4

See similar equations:

| 8+15x=128-5x | | 1/2x+2/5x=90 | | 3-3=2x+11 | | -m/8-12=-3 | | 21n^2+69n-60=0 | | 3y+6=3y+5 | | 8x-5-3x=5-10 | | 4n+7=81 | | 6y+60=90 | | 8=9k+12+7k | | Y+4x+37=180 | | 2(x-10)=3(x-9) | | 6x+14-3x=9- | | 1/2(2x-8)+x-2=2(x-3) | | 5-t/3t=12 | | 11x-1=10x+10 | | 2(3x-10)=17 | | 9(-9)+16=x | | 5x+6=8x=13 | | -7x+12+-8x+48=180 | | x+13+2x-7=180 | | 8/19y+56=0 | | 2x+3-8x=14+2x-1 | | -3f−5=-2f+5 | | 16-8-3x=-13 | | 6(4x-1)=18 | | -8​n​+10=10−8​n | | -10−5d=-6d | | 5+15x+7+22x+30=180 | | -1/3p=4/2/3 | | 10(x-2/5)=-6-18 | | 8+7j=6j |

Equations solver categories