6x^2-15=x

Simple and best practice solution for 6x^2-15=x 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 6x^2-15=x equation:


Simplifying
6x2 + -15 = x

Reorder the terms:
-15 + 6x2 = x

Solving
-15 + 6x2 = x

Solving for variable 'x'.

Reorder the terms:
-15 + -1x + 6x2 = x + -1x

Combine like terms: x + -1x = 0
-15 + -1x + 6x2 = 0

Factor a trinomial.
(-3 + -2x)(5 + -3x) = 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 '(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 = {-1.5, 1.666666667}

See similar equations:

| 2/3-(1/4)x(4/9) | | 2(3x+7)=86 | | -3-12=-5 | | 6(v+6)=2v+24 | | Log(6x-131)+7=9 | | 16x^2+1000x+50=2000 | | 7v+27=-8(v+6) | | 2/3(8y-6) | | 6(2+2x)=132 | | 2/3(9y) | | N=4m-m+7m | | 2(3x+10)=68 | | tan310=x/8 | | (4w^2-7w-6)-(8w^2+2w-3)= | | 2(u-8)=-9u+6 | | 3c(2)= | | x-30=14-3*x | | 6(5+x)=60 | | 2(y+3)-6=16 | | ln(x^8)-2lnx=2 | | 4(5+6x)=212 | | u/4=.5 | | F(r)=5r+7+2r | | x/0.9=10 | | 5(6+2x)=110 | | (3x-45)+(5x-105)=180 | | -4(4n-5)+3=-105 | | 6c-11=109 | | 18a+27= | | .33*x+3=4-x | | 7(4+3r)=-140 | | 10p=68 |

Equations solver categories