3x^2-4x-9=2x^2+2x+63

Simple and best practice solution for 3x^2-4x-9=2x^2+2x+63 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 3x^2-4x-9=2x^2+2x+63 equation:


Simplifying
3x2 + -4x + -9 = 2x2 + 2x + 63

Reorder the terms:
-9 + -4x + 3x2 = 2x2 + 2x + 63

Reorder the terms:
-9 + -4x + 3x2 = 63 + 2x + 2x2

Solving
-9 + -4x + 3x2 = 63 + 2x + 2x2

Solving for variable 'x'.

Reorder the terms:
-9 + -63 + -4x + -2x + 3x2 + -2x2 = 63 + 2x + 2x2 + -63 + -2x + -2x2

Combine like terms: -9 + -63 = -72
-72 + -4x + -2x + 3x2 + -2x2 = 63 + 2x + 2x2 + -63 + -2x + -2x2

Combine like terms: -4x + -2x = -6x
-72 + -6x + 3x2 + -2x2 = 63 + 2x + 2x2 + -63 + -2x + -2x2

Combine like terms: 3x2 + -2x2 = 1x2
-72 + -6x + 1x2 = 63 + 2x + 2x2 + -63 + -2x + -2x2

Reorder the terms:
-72 + -6x + 1x2 = 63 + -63 + 2x + -2x + 2x2 + -2x2

Combine like terms: 63 + -63 = 0
-72 + -6x + 1x2 = 0 + 2x + -2x + 2x2 + -2x2
-72 + -6x + 1x2 = 2x + -2x + 2x2 + -2x2

Combine like terms: 2x + -2x = 0
-72 + -6x + 1x2 = 0 + 2x2 + -2x2
-72 + -6x + 1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-72 + -6x + 1x2 = 0

Factor a trinomial.
(-6 + -1x)(12 + -1x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {-6, 12}

See similar equations:

| (2x-5)(x+5)= | | 5/2k=25 | | 2x-5=12-(4-2x) | | 9w+9+8w=116 | | 3(x-5)=6-2x | | x^3+7x^2+19x-83=0 | | 7s-14=42 | | -2x-7=14-x | | 5-2x=2(1-x) | | .7r-1.9=.2 | | -3-8x=5-4x | | X^2+1/2x=3/2 | | -7.6u=-14.44 | | 2t^2+4t=0 | | 8x^2-13x+4= | | -2x-4=8-6x | | x/1/8=7 | | 3(5w+2)=66 | | 3(x-1)-x=2x-3 | | 5x+3(x-2)=100-2(x+3) | | 30+5s=20+7s | | 3.2/100x=8 | | log(3x-1)+log(x+4)=2 | | 5(x-3)-3(x+1)=32 | | log(8)(2x-3)-log(8)(3x+4)=-1/3 | | 90-2(2x-5)=5x+10 | | 6/10=x/40 | | 3(k-l)=2k+6 | | 2(x+10)=6x-2(x+1) | | -5x=-3(x+4)+2(x+2) | | 8x^3-22x^2+3x+18=0 | | 3r+2+5+4r=56 |

Equations solver categories