15x^2+16x-7=0

Simple and best practice solution for 15x^2+16x-7=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 15x^2+16x-7=0 equation: 


Simplifying
15x2 + 16x + -7 = 0

Reorder the terms:
-7 + 16x + 15x2 = 0

Solving
-7 + 16x + 15x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -5x)(1 + -3x) = 0


Subproblem 1
Set the factor '(-7 + -5x)' equal to zero and attempt to solve:

Simplifying
-7 + -5x = 0

Solving
-7 + -5x = 0

Move all terms containing x to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + -5x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -5x = 0 + 7
-5x = 0 + 7

Combine like terms: 0 + 7 = 7
-5x = 7

Divide each side by '-5'.
x = -1.4

Simplifying
x = -1.4

Subproblem 2
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
Solution
x = {-1.4, 0.3333333333}

See similar equations:

| -0.6x+1=0.4 | | 18-n=n-4 | | 2X^2+6X=X^2-X-12 | | 7y^2-5y=0 | | -(8x-7)=y | | 12x^2-7x-5=0 | | -3(x+1)=15 | | x^2+4x+6=3 | | -5x+8=-42 | | x^3-x^2-6x=0 | | 224-2x=43x+24 | | 18-4a=34 | | x^2+2x+13=9x+1 | | 12x^2-35x+8=0 | | 2g+5=17 | | 3-(2*2-9)=x | | 4y-9y+12y=49 | | 3-(2*29)=x | | 6-(y+5)=-1 | | 9-10x=137-38x | | 2x+x+3x=54 | | 18-n=4-n | | 6(x+3)=21 | | 17=29-4k | | -3x+10=-11 | | 3y-7y+9y=30 | | -10-(-6)=x | | 6x-2x=24 | | 4+-2=14 | | 3.4(k+8)=30.6 | | 9x+17=4x | | 2-3(x-1)=5-(x-2) |

Equations solver categories