(x+4)(x-3)-18=0

Simple and best practice solution for (x+4)(x-3)-18=0 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+4)(x-3)-18=0 equation:


Simplifying
(x + 4)(x + -3) + -18 = 0

Reorder the terms:
(4 + x)(x + -3) + -18 = 0

Reorder the terms:
(4 + x)(-3 + x) + -18 = 0

Multiply (4 + x) * (-3 + x)
(4(-3 + x) + x(-3 + x)) + -18 = 0
((-3 * 4 + x * 4) + x(-3 + x)) + -18 = 0
((-12 + 4x) + x(-3 + x)) + -18 = 0
(-12 + 4x + (-3 * x + x * x)) + -18 = 0
(-12 + 4x + (-3x + x2)) + -18 = 0

Combine like terms: 4x + -3x = 1x
(-12 + 1x + x2) + -18 = 0

Reorder the terms:
-12 + -18 + 1x + x2 = 0

Combine like terms: -12 + -18 = -30
-30 + 1x + x2 = 0

Solving
-30 + 1x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-6 + -1x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

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

Solution

x = {-6, 5}

See similar equations:

| -15X+4X+12=3X-7X+10 | | Cscx-2=0 | | 27=2x+3 | | X=8+-6t+-3t*t | | =2t-3 | | y=61x+42 | | tk=3+2k | | y=42x+61 | | 3ab-z=y(4ab+2z) | | y+18=8 | | 4x+x-3=4x+6 | | 6y+9x=30 | | 4=-(p^2+7p) | | 7e+2e+4= | | 4x=-3+40 | | 5m^2+30m-75=5 | | 3x+1(50-x)=110 | | 4(x-5)+19=x+17 | | -7x+11=3-8x+3 | | 5x-3x-2=2x+6-5 | | y=26x+20 | | 6x+4=(3x-8) | | 7pq+7pq-2nm-7+5nm-pq= | | 2*x^2+x-8=0 | | 4a(2a-b)-3(a+5b)= | | 5x-23+7x=12x+23 | | 8y+8-6y-1= | | 2(x+4)+3(x+5)= | | 17xy+9xy+8yz-15xy-2yz= | | .5(t-500000)=200000 | | 14+7x=54 | | 3(12v^2-13v-35)=0 |

Equations solver categories