5x^2+7x-66=

Simple and best practice solution for 5x^2+7x-66= 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 5x^2+7x-66= equation:


Simplifying
5x2 + 7x + -66 = 0

Reorder the terms:
-66 + 7x + 5x2 = 0

Solving
-66 + 7x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-22 + -5x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-22 + -5x)' equal to zero and attempt to solve: Simplifying -22 + -5x = 0 Solving -22 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '22' to each side of the equation. -22 + 22 + -5x = 0 + 22 Combine like terms: -22 + 22 = 0 0 + -5x = 0 + 22 -5x = 0 + 22 Combine like terms: 0 + 22 = 22 -5x = 22 Divide each side by '-5'. x = -4.4 Simplifying x = -4.4

Subproblem 2

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

Solution

x = {-4.4, 3}

See similar equations:

| 9/12+1=3 | | 3m-3=21 | | 5x+2=-2r+16 | | 6a+4=9a+102 | | 12a^2-10a-42= | | 105a^2-3a-18= | | 21x^3+35x-9x^2-15= | | 12x=11x-22 | | 3w-12w=27 | | x^3+9x^2+x+9= | | 11x=10x+23 | | 11x=10+23 | | (x+8)(5x^2-6x+3)= | | X^3+x^2+21x+45= | | (9x^2+7y^2-3)-(7x^2+7y^2-7)= | | 1-(6-x)=x | | 14y^3-5+8a^2b^2-13-18b^2a^2= | | 3x+(30-X)=50 | | x+7=x+8 | | 8+6x=8+8+7+3 | | 4m+3=13-1m | | 3(2h+4)-h-2=15 | | 24x-18+7x+7=9 | | (2x+9)-(x+2)=10 | | 20=4(3x-1) | | x+3x+4=36 | | 6y+3=12 | | 6-(x+10)=-8 | | -25x^2+10x+3= | | 5=4+3x | | 6x-2x+8=1x+5 | | 6x+14=x+4 |

Equations solver categories