28x^2-84x+63=

Simple and best practice solution for 28x^2-84x+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 28x^2-84x+63= equation:


Simplifying
28x2 + -84x + 63 = 0

Reorder the terms:
63 + -84x + 28x2 = 0

Solving
63 + -84x + 28x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '7'.
7(9 + -12x + 4x2) = 0

Factor a trinomial.
7((3 + -2x)(3 + -2x)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Subproblem 2

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Solution

x = {1.5, 1.5}

See similar equations:

| 3(-1.42)-y=0 | | 5/9=6/r | | b/7=-8 | | 3/4x-2/5y=10 | | 3(2x-1)=x+3x-1 | | v+0.2=8 | | 77/x^2=19/x+6 | | x=2(-3x+0)-10 | | m/7.08=-100 | | 5z=15 | | 10-x=-2 | | n/6+4=10 | | 4(7)+y=32 | | 7x+9=9(x+1)-2x | | 82/6 | | 48x^2+24x+3= | | x/9+5/x=2 | | 5x-4+8x+10=38 | | 9x=14x^2 | | 185/5 | | -4x+32=x-3 | | 5/10=8/w | | 3(1y+4)=-38 | | 26x+13=5(5x+6) | | 16x^2+27=-48x | | r/24=6 | | 4/12=y/9 | | v^2+13v+42=0 | | y=-8x^2/2 | | (7x-4)+(4x-8)+x=180 | | 5(1y+1)=21 | | t-23=-14 |

Equations solver categories