4x^2-45x-36=0

Simple and best practice solution for 4x^2-45x-36=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^2-45x-36=0 equation:


Simplifying
4x2 + -45x + -36 = 0

Reorder the terms:
-36 + -45x + 4x2 = 0

Solving
-36 + -45x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -4x)(12 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -4x)' equal to zero and attempt to solve: Simplifying -3 + -4x = 0 Solving -3 + -4x = 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 + -4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4x = 0 + 3 -4x = 0 + 3 Combine like terms: 0 + 3 = 3 -4x = 3 Divide each side by '-4'. x = -0.75 Simplifying x = -0.75

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 = {-0.75, 12}

See similar equations:

| 3x+5=100 | | 15y^2-25y=0 | | 4(2p-6)= | | 4x^2-32x-36=0 | | 5x^2+8x-52=0 | | 4c-6=1 | | lnx-lnx^2+lnx^4= | | 4x^2-24x-36=0 | | 4x+9=12x | | 5m^2-36=0 | | 10r=9r+38 | | 2e^5x=50 | | (p+4)(p^2+4p-5)=0 | | (2x-y)(2x+y)=0 | | 4-5n+3n=51-95 | | 5U+10(8-U)=65 | | 3+4x=2x+-7 | | (x^4+x^2+36)*(8-x)=0 | | 4(a-1)=5(a-2) | | 8j^3k-4jk^3-7=0 | | 2x+5=1x-23 | | 18j^3k-4jk^3-7=0 | | 20x^2-39x-80=0 | | 4x^2+16y^2=64 | | 72x^3-63x^2+40x-35=0 | | 19x^3-38x^2=0 | | k^2-2k-24=0 | | 2y^2+3y+7=0 | | 2(2a+3)=14 | | 17=4+x | | m^2-10m+24=0 | | 4(2x+6)=48 |

Equations solver categories