X^2-7x-12=42

Simple and best practice solution for X^2-7x-12=42 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^2-7x-12=42 equation:


Simplifying
X2 + -7x + -12 = 42

Reorder the terms:
-12 + X2 + -7x = 42

Solving
-12 + X2 + -7x = 42

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '12' to each side of the equation.
-12 + X2 + 12 + -7x = 42 + 12

Reorder the terms:
-12 + 12 + X2 + -7x = 42 + 12

Combine like terms: -12 + 12 = 0
0 + X2 + -7x = 42 + 12
X2 + -7x = 42 + 12

Combine like terms: 42 + 12 = 54
X2 + -7x = 54

Add '7x' to each side of the equation.
X2 + -7x + 7x = 54 + 7x

Combine like terms: -7x + 7x = 0
X2 + 0 = 54 + 7x
X2 = 54 + 7x

Simplifying
X2 = 54 + 7x

Reorder the terms:
-54 + X2 + -7x = 54 + 7x + -54 + -7x

Reorder the terms:
-54 + X2 + -7x = 54 + -54 + 7x + -7x

Combine like terms: 54 + -54 = 0
-54 + X2 + -7x = 0 + 7x + -7x
-54 + X2 + -7x = 7x + -7x

Combine like terms: 7x + -7x = 0
-54 + X2 + -7x = 0

The solution to this equation could not be determined.

See similar equations:

| 4u=18+u | | n-8+7=1 | | 6w+10=65 | | 121.39=1833.41*r*12 | | (2l)+(2w)=132 | | 2(x-9)2=100 | | c-13/6=8 | | 3x-4=2/3x-17 | | 4b-8=-2 | | t*3-7=11 | | 5+6x-3+4x=60+x | | 2x+3(x-4)-(2-x)=7 | | w(x+6)=72 | | y=106.9573585+0.09696010673Y | | 9x+100=771 | | 6a=3m+12 | | 100=e^7k | | -2+-9x=4+-6x | | 9x^2-4y^2-90x+32y=163 | | y/4-3=19 | | (3x)/5-0.5=1.9 | | 588(-1.950862+0.01754y)+44=Y | | 45-5x=5x+5 | | 6m-28=28 | | 83525=e^7k | | (4x+7)(7x-3)=0 | | 6-x=x^2 | | 32x+30=-32.427584+0.56128y | | 8x+8=4x+40 | | 12+48-6= | | 2x+4x+7=49 | | .9375+.03125z=-.075862+.01754y |

Equations solver categories