5x^2-11x-9=3

Simple and best practice solution for 5x^2-11x-9=3 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^2-11x-9=3 equation:


Simplifying
5x2 + -11x + -9 = 3

Reorder the terms:
-9 + -11x + 5x2 = 3

Solving
-9 + -11x + 5x2 = 3

Solving for variable 'x'.

Reorder the terms:
-9 + -3 + -11x + 5x2 = 3 + -3

Combine like terms: -9 + -3 = -12
-12 + -11x + 5x2 = 3 + -3

Combine like terms: 3 + -3 = 0
-12 + -11x + 5x2 = 0

Factor a trinomial.
(-4 + -5x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-4 + -5x)' equal to zero and attempt to solve: Simplifying -4 + -5x = 0 Solving -4 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5x = 0 + 4 -5x = 0 + 4 Combine like terms: 0 + 4 = 4 -5x = 4 Divide each side by '-5'. x = -0.8 Simplifying x = -0.8

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 = {-0.8, 3}

See similar equations:

| y=(2y+2)+1 | | 15-4A=30 | | 270=70-y | | 7x+28=2x+58 | | 3.4x+97=5.9x+2 | | 3.4+97=5.9+2 | | -3+12x=33x+3 | | 3.6x=11.52 | | 3(3x-2)-3(x+6)= | | 33x+3=-3+12x | | X^2+17x+30=y | | -4(w+4)-4w= | | 42000*8/100/12=y | | x-9=8.69 | | -7(3+q)=4(2q+6) | | 3y-2=1+7y | | 42000*8/100/12=interest | | 18x-2=28x-2 | | 2(3w+6)-8w= | | 2x^3+26x^2+80x= | | 2(2x-6)+5x=20 | | -6y=4.56 | | x+20=189 | | 42000*8/100/12 | | 2x^2+5x+3.125=21.125 | | -3(w+1)+1= | | 14+5=-6(-3x+15)+5 | | x+1.1=5.8 | | 5(q-4)=2(q+5) | | -(x+2)-(x+3)= | | 14+5=6(-3x+15)+5 | | 3x^2=54+9x |

Equations solver categories