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

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


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

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

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

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

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

Solving
-12 + 1x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -1x)(3 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-4, 3}

See similar equations:

| 10=-3+6a | | a=1/2(11+5)4 | | 6x+12=84-10x | | =25t^2+29t+9 | | X+3=48 | | -31=-5y | | 3n+7=2n+12 | | 0=-(2/3)x+30 | | 51=9y | | 4(n+6)+4(n-3)= | | 9x+5=4x+10 | | 0=x^2-4x-5 | | 10-8x=90 | | 11=-3y | | =3r^2+17r+10 | | 5(x+2)-2x=13 | | a=1/2(12+1)13.5 | | 8x-27=45 | | 5.(x+2)-2x=13 | | 4s+10=7s-2 | | 7a-4a-2-4= | | 4.x+30=57 | | (5.6-2.3)(2.4+.4)= | | 7z-6=3z+10 | | (5.6-2.3)(2.4+4)= | | 7n+11=3n-17 | | -9c+7=-38 | | 13-9x=115-30x | | 21-3y=7x | | -5(t+1)=20 | | 8t-4=6t+14 | | -6*0+50=y |

Equations solver categories