2x^2+18=15x

Simple and best practice solution for 2x^2+18=15x 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 2x^2+18=15x equation:


Simplifying
2x2 + 18 = 15x

Reorder the terms:
18 + 2x2 = 15x

Solving
18 + 2x2 = 15x

Solving for variable 'x'.

Reorder the terms:
18 + -15x + 2x2 = 15x + -15x

Combine like terms: 15x + -15x = 0
18 + -15x + 2x2 = 0

Factor a trinomial.
(3 + -2x)(6 + -1x) = 0

Subproblem 1

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {1.5, 6}

See similar equations:

| 13=7+21x-16x^2 | | -2f=32 | | 196000=.49*w | | x^3+2x+4x^2+8=0 | | 1024=0.08*w | | -x-y=-2 | | 1.122=p*37.4 | | 178.20=.405*w | | 4v-3(v-2)=13 | | 1.05*w=51.03 | | 1.5(4z+8)-16=-2.3(9z-12) | | .45*w=108 | | 2x-2y+z=-7 | | 4t+3-5t=9 | | -6(y+2)-(-5y-3)=-1 | | 2x-12=-3+x | | 2x+2y=48 | | (4b-1)(b-8)= | | 4t-8=5(t+7) | | 7(x+1)=4x-(3-x) | | 7(r-2)=r-29+3r | | x^2+16-8=0 | | k-9+5k=3(k+1) | | -14x=-11x+13 | | 6e^3x=9 | | 7(y-2)=4y-26 | | -(5y+2)-(-4y-7)=-1 | | 27x^2-11x=0 | | 3y+6y-1=17y-12-2y | | 52+4y-20=13y-10-2y | | y=x^2-4x-77 | | -.625+m=.33 |

Equations solver categories