3x^2+63=30x

Simple and best practice solution for 3x^2+63=30x 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+63=30x equation:


Simplifying
3x2 + 63 = 30x

Reorder the terms:
63 + 3x2 = 30x

Solving
63 + 3x2 = 30x

Solving for variable 'x'.

Reorder the terms:
63 + -30x + 3x2 = 30x + -30x

Combine like terms: 30x + -30x = 0
63 + -30x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(21 + -10x + x2) = 0

Factor a trinomial.
3((3 + -1x)(7 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {3, 7}

See similar equations:

| 12y-7y+2y= | | 5-k=11-k | | 3(3)-4y=7 | | -(4y+2)-(-3y-4)=-4 | | 12x+60=13x+2 | | 8y(8+6y)=20 | | 12x-8=3x-35 | | 5x=3(x+3) | | 54x+14=43x+14 | | 7-3(2x-5)=5(3x+4)+2x | | 3x^2-6+2=26 | | 8x^2-6x=-9 | | 4x-24=3x+3 | | x-4.3=1.8 | | 12x-31=5 | | x+14=8x+56 | | 32x^2-128= | | 5(6+s)=45 | | 8x-11y=33 | | -8x-36=-11x+4 | | x-14=8x+56 | | 5(x+6)+6=7(x+2)-4 | | 5y-10+y+60=5y+50-1y | | 33=-3(9+n) | | 9+b=3-2b | | 9x=4x-35 | | 3-3(x-6)=5x+12 | | 4y-21=-35+6y | | 15.50=26-79 | | 10x-45=3x-45 | | 6s-11=-23+9s | | 2x+13=10x+5 |

Equations solver categories