7n^2-15n+8=0

Simple and best practice solution for 7n^2-15n+8=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 7n^2-15n+8=0 equation:


Simplifying
7n2 + -15n + 8 = 0

Reorder the terms:
8 + -15n + 7n2 = 0

Solving
8 + -15n + 7n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(1 + -1n)(8 + -7n) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(8 + -7n)' equal to zero and attempt to solve: Simplifying 8 + -7n = 0 Solving 8 + -7n = 0 Move all terms containing n to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -7n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -7n = 0 + -8 -7n = 0 + -8 Combine like terms: 0 + -8 = -8 -7n = -8 Divide each side by '-7'. n = 1.142857143 Simplifying n = 1.142857143

Solution

n = {1, 1.142857143}

See similar equations:

| 11x+6=5x-24 | | 4(x-5)+7=10 | | n^2+11n+30= | | f(x)=ln(x)*(x^2-5) | | -4x+-1x^2= | | Y^2+4y=1.25 | | 4(2x+3)=2(3x+4) | | 15=3e^2x+1 | | 12+6x=144 | | 0.21+1.8+3.9= | | 6Y^2+32Y-48=0 | | .25(n-6)=.25-1.5 | | -5y=2.5 | | 3x+4y=108 | | 9-2w=1 | | 7(p-4)+5=3p | | 25=2x+3x-5 | | 0=-4(x-3)2+5 | | y=-4(x-3)2+5 | | 7(3x-5)=3(x+4)+2 | | x+7+2=11 | | -x+15+3x+5=-4 | | -68=4x+3(3x-11) | | f(x)=2x^2-6x+5 | | X+4.1=5.3 | | 15-3(x+1)=-129 | | Y=10-6x+x^2 | | -x-76=44-6x | | .65*840= | | -x+48=3x-64 | | 9v-48=6(v-9) | | logx=8.23 |

Equations solver categories