7x^2=-12x-5

Simple and best practice solution for 7x^2=-12x-5 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 7x^2=-12x-5 equation:


Simplifying
7x2 = -12x + -5

Reorder the terms:
7x2 = -5 + -12x

Solving
7x2 = -5 + -12x

Solving for variable 'x'.

Reorder the terms:
5 + 12x + 7x2 = -5 + -12x + 5 + 12x

Reorder the terms:
5 + 12x + 7x2 = -5 + 5 + -12x + 12x

Combine like terms: -5 + 5 = 0
5 + 12x + 7x2 = 0 + -12x + 12x
5 + 12x + 7x2 = -12x + 12x

Combine like terms: -12x + 12x = 0
5 + 12x + 7x2 = 0

Factor a trinomial.
(1 + x)(5 + 7x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + 7x)' equal to zero and attempt to solve: Simplifying 5 + 7x = 0 Solving 5 + 7x = 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 + 7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 7x = 0 + -5 7x = 0 + -5 Combine like terms: 0 + -5 = -5 7x = -5 Divide each side by '7'. x = -0.7142857143 Simplifying x = -0.7142857143

Solution

x = {-1, -0.7142857143}

See similar equations:

| 24+6x/8 | | 3y-12=6x | | 2x^2-29x+7=0 | | 3x+8=-x+17 | | 1.15p=69 | | 2b+7=b+12 | | (m+2)=2 | | 3(j+2)-18+3j= | | 3x+8=x-17 | | 3x+8=x-1 | | (b+2)=(2b+7) | | x^2+6x+54=0 | | -36+56+4= | | 10x-5x-3x=-7 | | (22b-3)-7(3b+1)=-7 | | 4/y+2+5/y-3=9/y+5 | | 5(-2/5)^2+4(-2/5)-1 | | 77x+11=77x+11 | | 6/5x+10=2x-13 | | 1/7x+1/2=4/9-6/7x+4/9 | | 3/5(1/2p+2q)+2p | | 3(a+12)=6(a+6)-3a | | 34x-12=13x+14*12 | | 19b-19/7=2b-3 | | 6p+5=5p+10 | | 6+3=4x+8 | | 8/9t=-8 | | 4(a-3)2=3a-19 | | 7+3(4x+7)7+12x+21= | | ax-b=12 | | -2=ax-b | | 4x^4+30x^3-149x^2+6x+1=0 |

Equations solver categories