4x^2+2x-90=0

Simple and best practice solution for 4x^2+2x-90=0 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 4x^2+2x-90=0 equation:


Simplifying
4x2 + 2x + -90 = 0

Reorder the terms:
-90 + 2x + 4x2 = 0

Solving
-90 + 2x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-45 + x + 2x2) = 0

Factor a trinomial.
2((-5 + -1x)(9 + -2x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 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 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5

Subproblem 2

Set the factor '(9 + -2x)' equal to zero and attempt to solve: Simplifying 9 + -2x = 0 Solving 9 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x = 0 + -9 -2x = 0 + -9 Combine like terms: 0 + -9 = -9 -2x = -9 Divide each side by '-2'. x = 4.5 Simplifying x = 4.5

Solution

x = {-5, 4.5}

See similar equations:

| 6m+35=m+55 | | X^2+18+5x=0 | | 4+3F=19 | | 2x-5y=x-2y | | 5+6x=-15+x | | Y=-6x-19 | | 2y-22=3y+42 | | -9x+2=43 | | x(x-7)(4x+9)=0 | | 2n-4=2(6-7n) | | -120=10(-4+v) | | (5p+2q)(-4p+11q)= | | 2t-32=6t | | 1.5x+2=4.5x+8 | | -24*3=c | | 6x-2+19=3x | | 5r+2=3b-12 | | 145x+999=45 | | ax+1=5x+b | | 1/2x-4=2-1/2x | | 17(E+5)=0 | | 12x=19x | | -9+-15=c | | 2b+14=3b-12 | | (2w-6)=88 | | 7(6x+9)=42x-8 | | 12(342)= | | y^3-2y^2-6y+3=0 | | 8a-6a=40 | | 8r+4=7r+9 | | 6x-2+10=3x | | 7(6x+9)=24x-8 |

Equations solver categories