(x+3)(x-2)=84

Simple and best practice solution for (x+3)(x-2)=84 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+3)(x-2)=84 equation:


Simplifying
(x + 3)(x + -2) = 84

Reorder the terms:
(3 + x)(x + -2) = 84

Reorder the terms:
(3 + x)(-2 + x) = 84

Multiply (3 + x) * (-2 + x)
(3(-2 + x) + x(-2 + x)) = 84
((-2 * 3 + x * 3) + x(-2 + x)) = 84
((-6 + 3x) + x(-2 + x)) = 84
(-6 + 3x + (-2 * x + x * x)) = 84
(-6 + 3x + (-2x + x2)) = 84

Combine like terms: 3x + -2x = 1x
(-6 + 1x + x2) = 84

Solving
-6 + 1x + x2 = 84

Solving for variable 'x'.

Reorder the terms:
-6 + -84 + 1x + x2 = 84 + -84

Combine like terms: -6 + -84 = -90
-90 + 1x + x2 = 84 + -84

Combine like terms: 84 + -84 = 0
-90 + 1x + x2 = 0

Factor a trinomial.
(-10 + -1x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-10 + -1x)' equal to zero and attempt to solve: Simplifying -10 + -1x = 0 Solving -10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1x = 0 + 10 -1x = 0 + 10 Combine like terms: 0 + 10 = 10 -1x = 10 Divide each side by '-1'. x = -10 Simplifying x = -10

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 = {-10, 9}

See similar equations:

| 6+14z-2=9z+28-7z | | 10n^2+8-21n= | | 1=3-2 | | 5(6-4x)=x+23 | | 5xc-12=3xc | | 3.5=-2x+3 | | 7x-4=3(15-x)-1 | | 3=1-2 | | 158=34-x | | 1-r=-15 | | 10k+8=7k+17 | | 4s+3s=63 | | 3-2x=-5 | | 5a+-13a+-7=17 | | 4(x-3)=3(2-2x)+10x | | 8t-23=19+t | | -3=15+x | | -11.2x=44.8 | | 4w+12=-w-18 | | Pq-3pq= | | w+0.9=3.6 | | F(-7)=5[2X]-1 | | -7y-3y=-15 | | t+3=-8 | | 6(2t-4)+5=48-t | | t+3=8 | | A(r)=3.14xr^2 | | 8y=13y | | 3(4x+1)-2(3x-2)=55 | | 5(x^2+y)+y^2= | | y+0.8=9.7 | | 5x=-3y+7 |

Equations solver categories