9x^2-12x-15=-10

Simple and best practice solution for 9x^2-12x-15=-10 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^2-12x-15=-10 equation:


Simplifying
9x2 + -12x + -15 = -10

Reorder the terms:
-15 + -12x + 9x2 = -10

Solving
-15 + -12x + 9x2 = -10

Solving for variable 'x'.

Reorder the terms:
-15 + 10 + -12x + 9x2 = -10 + 10

Combine like terms: -15 + 10 = -5
-5 + -12x + 9x2 = -10 + 10

Combine like terms: -10 + 10 = 0
-5 + -12x + 9x2 = 0

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

Subproblem 1

Set the factor '(-1 + -3x)' equal to zero and attempt to solve: Simplifying -1 + -3x = 0 Solving -1 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -3x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3x = 0 + 1 -3x = 0 + 1 Combine like terms: 0 + 1 = 1 -3x = 1 Divide each side by '-3'. x = -0.3333333333 Simplifying x = -0.3333333333

Subproblem 2

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

Solution

x = {-0.3333333333, 1.666666667}

See similar equations:

| 88=145 | | 2(3x+1)-2x=18 | | 2x=-6x+2 | | P-3q-r=10 | | X*y=10y-14 | | x^3-2ax^2+a^2x=0 | | -4x+16=-32+2x | | (2x-6)+60-x=180 | | lne^2x+1= | | 64=a+4 | | 30y^3-6y^2+12=0 | | 8f=0 | | d(2+d)= | | 11/44=15/x | | 71=n+48 | | dx+fy=gfory | | 6+13t-4=9t+52-6t | | x^6-1=(x-10)(x+1)(x^2+x+1)(x^2-x+1) | | 9x+12=14x+7 | | 7x^7-2x^6-9x^5=0 | | 8x-5-2(x-1)=9 | | cos(2x)-7cosx-3=0 | | x^2+7x-x=0 | | xsqared+2x*-7=76 | | 2(2w+20)=80 | | 3e^4x-2=15 | | 54=-9r | | 4(w-5)= | | 30b^4=25 | | 28x^10+21X^9+28x^8=0 | | 3x=2187 | | 22x=40 |

Equations solver categories