x^2=2x^2-7x-30

Simple and best practice solution for x^2=2x^2-7x-30 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=2x^2-7x-30 equation:


Simplifying
x2 = 2x2 + -7x + -30

Reorder the terms:
x2 = -30 + -7x + 2x2

Solving
x2 = -30 + -7x + 2x2

Solving for variable 'x'.

Reorder the terms:
30 + 7x + x2 + -2x2 = -30 + -7x + 2x2 + 30 + 7x + -2x2

Combine like terms: x2 + -2x2 = -1x2
30 + 7x + -1x2 = -30 + -7x + 2x2 + 30 + 7x + -2x2

Reorder the terms:
30 + 7x + -1x2 = -30 + 30 + -7x + 7x + 2x2 + -2x2

Combine like terms: -30 + 30 = 0
30 + 7x + -1x2 = 0 + -7x + 7x + 2x2 + -2x2
30 + 7x + -1x2 = -7x + 7x + 2x2 + -2x2

Combine like terms: -7x + 7x = 0
30 + 7x + -1x2 = 0 + 2x2 + -2x2
30 + 7x + -1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
30 + 7x + -1x2 = 0

Factor a trinomial.
(10 + -1x)(3 + x) = 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 '(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 = {10, -3}

See similar equations:

| 12-x/4-2-x/3=x/6 | | 10-3(w+4)=w-7 | | s=2(r^2+rh) | | 2=2(r^2+rh) | | 3x+5/5-x+1/3=1 | | 2x+50=144 | | 4y-11/15+13-7y/20=2 | | 25+.833x=-25 | | 6x-5/7=2x-1/3+2 | | 4a/9+1=5a/12 | | 6x^2-72x=-216 | | 2z+3=2z/5 | | 7=4q-9 | | t=-16t^2+1600 | | .08x+.07(15000-x)=1110 | | 4(a-3)=-2(a-6) | | 11=/-5+8 | | 8x-7x(x+3)=x-21 | | 2(x+2)-8=4x-2(4+x) | | 6v=6 | | -1.4(-4m+9)-3.5m= | | 9h=9 | | 6d+5-(2-3d)= | | -6/3=x/12 | | 8h=16 | | 70x+44=2 | | 30=-3d+7 | | 70x-44=2 | | 28-2.2y=11.6y+26 | | -6(6n+4)-n=-24-8n | | 16x^2+12x-4=0 | | 6h=6 |

Equations solver categories