9x^2-69x-140=0

Simple and best practice solution for 9x^2-69x-140=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 9x^2-69x-140=0 equation:


Simplifying
9x2 + -69x + -140 = 0

Reorder the terms:
-140 + -69x + 9x2 = 0

Solving
-140 + -69x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -3x)(28 + -3x) = 0

Subproblem 1

Set the factor '(-5 + -3x)' equal to zero and attempt to solve: Simplifying -5 + -3x = 0 Solving -5 + -3x = 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 + -3x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -3x = 0 + 5 -3x = 0 + 5 Combine like terms: 0 + 5 = 5 -3x = 5 Divide each side by '-3'. x = -1.666666667 Simplifying x = -1.666666667

Subproblem 2

Set the factor '(28 + -3x)' equal to zero and attempt to solve: Simplifying 28 + -3x = 0 Solving 28 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + -3x = 0 + -28 Combine like terms: 28 + -28 = 0 0 + -3x = 0 + -28 -3x = 0 + -28 Combine like terms: 0 + -28 = -28 -3x = -28 Divide each side by '-3'. x = 9.333333333 Simplifying x = 9.333333333

Solution

x = {-1.666666667, 9.333333333}

See similar equations:

| 6-6(3x-3)= | | ln(3-6x)=3 | | 3m+1=4m-1 | | e^3=30 | | 8x^2+8=0 | | -21-n=6 | | 2x+5-3x=4x-2x-12 | | 3x+(2x+20)(4x-20)=180 | | x+60=-10 | | -13-x=-8(3x-7) | | 18=3m+19 | | (x+1)(9x^2-x+1)=0 | | 5+5n=9+2n | | 57x-38x+-27x+-57=30 | | 20-x+60=75 | | x-15+100=60 | | -2(5x+1)=-2(3x-2) | | -23=9(x-93)-50 | | 4(-1-3)=-16 | | Y-9=20 | | 4-5n=62 | | (0.5x+1.2)-(3.6-4.5x)=(4.8-0.3x)+(10.5x+0.6) | | (T-7+3y)-(2-y+1)= | | 18x=3x+20 | | 7u+7=19u-3u+61 | | 40.40=x-.40x | | 41=-6+6x | | 2x^6+9x^3+4=0 | | (X-4)(x-10)=0 | | j+-4=6 | | 1.6x-(x-2.8)=(36+4x)+(18-6x) | | -2u+-3=1 |

Equations solver categories