15x^2+14x-16=0

Simple and best practice solution for 15x^2+14x-16=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+14x-16=0 equation:


Simplifying
15x2 + 14x + -16 = 0

Reorder the terms:
-16 + 14x + 15x2 = 0

Solving
-16 + 14x + 15x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-8 + -5x)(2 + -3x) = 0

Subproblem 1

Set the factor '(-8 + -5x)' equal to zero and attempt to solve: Simplifying -8 + -5x = 0 Solving -8 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -5x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -5x = 0 + 8 -5x = 0 + 8 Combine like terms: 0 + 8 = 8 -5x = 8 Divide each side by '-5'. x = -1.6 Simplifying x = -1.6

Subproblem 2

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Solution

x = {-1.6, 0.6666666667}

See similar equations:

| 10(t-3)+4t=7(2t+4)-11 | | -2(3s-6)-12=-2(5s+5)-3 | | 8x-12+x^2+1x=1 | | x^2+9x-12= | | 3x-2=8(x-7) | | x-227=4098 | | 3/8x7 | | x+1000=4200 | | 3/8+3/4 | | 5g+3(-4+5g)=1-g | | 26=y+12 | | 4x-10+2= | | 2/3*x-5/9*x=4 | | x+1427=4098 | | 6(6+y)= | | 25+x=-40 | | (-x^2+4x+1)(x^2-8x+3)= | | 8m-15m=35 | | (X+4)(x-6)(x-5)=0 | | 5m=11 | | (5c^2-4)(2c^2+c-3)=0 | | 4x^2+1=-4x | | 8(-2x+1)= | | v=1/3*3.14*14*12 | | y=4/5x-6/5 | | (15b-7)-7(2b+1)=-5 | | 2x/3-1/4=25/12x/3 | | 20x^2-30x-50=0 | | -5(v-2)=-2v+7 | | T=L(3+RS)forS | | 7x+6x+2+8=5x+5+7x | | -7y+3=-8y+7 |

Equations solver categories