(7x^2-7x-2)-(5x^2+3)=2x^2+12

Simple and best practice solution for (7x^2-7x-2)-(5x^2+3)=2x^2+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 (7x^2-7x-2)-(5x^2+3)=2x^2+12 equation:


Simplifying
(7x2 + -7x + -2) + -1(5x2 + 3) = 2x2 + 12

Reorder the terms:
(-2 + -7x + 7x2) + -1(5x2 + 3) = 2x2 + 12

Remove parenthesis around (-2 + -7x + 7x2)
-2 + -7x + 7x2 + -1(5x2 + 3) = 2x2 + 12

Reorder the terms:
-2 + -7x + 7x2 + -1(3 + 5x2) = 2x2 + 12
-2 + -7x + 7x2 + (3 * -1 + 5x2 * -1) = 2x2 + 12
-2 + -7x + 7x2 + (-3 + -5x2) = 2x2 + 12

Reorder the terms:
-2 + -3 + -7x + 7x2 + -5x2 = 2x2 + 12

Combine like terms: -2 + -3 = -5
-5 + -7x + 7x2 + -5x2 = 2x2 + 12

Combine like terms: 7x2 + -5x2 = 2x2
-5 + -7x + 2x2 = 2x2 + 12

Reorder the terms:
-5 + -7x + 2x2 = 12 + 2x2

Add '-2x2' to each side of the equation.
-5 + -7x + 2x2 + -2x2 = 12 + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-5 + -7x + 0 = 12 + 2x2 + -2x2
-5 + -7x = 12 + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-5 + -7x = 12 + 0
-5 + -7x = 12

Solving
-5 + -7x = 12

Solving for variable 'x'.

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 = 12 + 5

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

Combine like terms: 12 + 5 = 17
-7x = 17

Divide each side by '-7'.
x = -2.428571429

Simplifying
x = -2.428571429

See similar equations:

| -19-7x=7x-23 | | 4(5+x)=19x-5 | | 12x-7=11(x-10)+10 | | 1/b^2=1.518 | | 5P+4q-3p+q= | | y/-54 | | 2x+48=7x+24 | | 75-x=166 | | x^(1/5)=3/2 | | x^1/5=3/2 | | X^3+3x^2y+y^3=c^3 | | 5x^2/x^2 | | (2m^2/3)^3/(8m^1/6)^2 | | 7e(x)=11 | | -2x+5(x+1)=5 | | 15x+15y=450 | | y^3+27=(y+3)(y^2-3y+9) | | 16x+8y=160 | | 5x+15=-2x | | X-140=133-12x | | 3(x-6)-5=9 | | 4x+Y=30x+7 | | 2112312312-wd=2*2 | | 7+v=3 | | 6(x-2)-7=4x+9 | | a^2=-8-6a | | 0=12x^2+44x+24 | | 8(x-2)-7=6x+7 | | 5x-2x=96 | | 5x+4(3x+8(2x+9)13)=624 | | x+6x+7+90=180 | | 5-0.5x=3 |

Equations solver categories