0=x^2+7x+12

Simple and best practice solution for 0=x^2+7x+12 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 0=x^2+7x+12 equation:


Simplifying
0 = x2 + 7x + 12

Reorder the terms:
0 = 12 + 7x + x2

Solving
0 = 12 + 7x + x2

Solving for variable 'x'.

Combine like terms: 0 + -12 = -12
-12 + -7x + -1x2 = 12 + 7x + x2 + -12 + -7x + -1x2

Reorder the terms:
-12 + -7x + -1x2 = 12 + -12 + 7x + -7x + x2 + -1x2

Combine like terms: 12 + -12 = 0
-12 + -7x + -1x2 = 0 + 7x + -7x + x2 + -1x2
-12 + -7x + -1x2 = 7x + -7x + x2 + -1x2

Combine like terms: 7x + -7x = 0
-12 + -7x + -1x2 = 0 + x2 + -1x2
-12 + -7x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-12 + -7x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(12 + 7x + x2) = 0

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

Ignore the factor -1.

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 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 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {-4, -3}

See similar equations:

| 155-5x=6x+12 | | 6x-4=2x+20 | | 0=x^2-7x-12 | | v-(-7)=-4 | | 2x+.75=3x-.75 | | w^2+w-272=0 | | 6x+3-10x+20x+2(-x+10)=15 | | 2x=-22x+7 | | -7x-3=-23-3x | | 7-8x-4=-30+3x-11 | | 5(10x-20)=2x-5 | | 118-7x=11x+24 | | 6-8x-4=-21+3x-10 | | 10-3x=-4x+15 | | -x^2+8x=0 | | 3(2p+7)=15p-60 | | 12-8x=45-15x | | 32+x=-10 | | -6x-13x=-152 | | b^2-16b-161=0 | | b+4=4 | | -8=v-2 | | 5a-60=a | | 165-6x=30x+17 | | 22=p-4 | | 123-5x=3x+19 | | 6=y+77 | | 3t+5=20 | | 3+x=40 | | -6x+6=66 | | -5-x=7x-77 | | v-6=-7 |

Equations solver categories