-3x^2+3x+90=

Simple and best practice solution for -3x^2+3x+90= 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+3x+90= equation:


Simplifying
-3x2 + 3x + 90 = 0

Reorder the terms:
90 + 3x + -3x2 = 0

Solving
90 + 3x + -3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(30 + x + -1x2) = 0

Factor a trinomial.
3((6 + -1x)(5 + x)) = 0

Ignore the factor 3.

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 '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {6, -5}

See similar equations:

| h(t)=-16t^2+144 | | 2(4y-1)+2y=3 | | -1.2x=-30.6 | | 40x^2+4x= | | 3y+7-y=21 | | 90-362n=30 | | -109-7x=9x+19 | | 2x+6(x+1)=-2 | | 3x^2+54x+243= | | 3y^2-4y+4=0 | | 81x^2+198x+121=0 | | 4x^2+5x-61=5(x+4) | | 2x+4=8x-2 | | -31x-2x=9-10x | | 2(4x-1)=x-3 | | 3y=36+9y | | x^2-21x+84= | | 6x-3=9ygraph | | y=3x-12 | | -3(2n+2)=3 | | 3x-9y=-27 | | 5x^4-80x^2= | | 5z+2=z-3 | | 6x^4+5x^3-24x-20= | | x+(x+4)+(x-1)=18 | | -12-6a=a | | -x+8=-x+2 | | 1000=12n+12 | | 11y-67=43 | | -7x^3+28x^2-21x= | | 24x^2+18x^2= | | X*.30=84 |

Equations solver categories