7n^2=-12-25n

Simple and best practice solution for 7n^2=-12-25n 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=-12-25n equation:


Simplifying
7n2 = -12 + -25n

Solving
7n2 = -12 + -25n

Solving for variable 'n'.

Reorder the terms:
12 + 25n + 7n2 = -12 + -25n + 12 + 25n

Reorder the terms:
12 + 25n + 7n2 = -12 + 12 + -25n + 25n

Combine like terms: -12 + 12 = 0
12 + 25n + 7n2 = 0 + -25n + 25n
12 + 25n + 7n2 = -25n + 25n

Combine like terms: -25n + 25n = 0
12 + 25n + 7n2 = 0

Factor a trinomial.
(3 + n)(4 + 7n) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(4 + 7n)' equal to zero and attempt to solve: Simplifying 4 + 7n = 0 Solving 4 + 7n = 0 Move all terms containing n to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 7n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 7n = 0 + -4 7n = 0 + -4 Combine like terms: 0 + -4 = -4 7n = -4 Divide each side by '7'. n = -0.5714285714 Simplifying n = -0.5714285714

Solution

n = {-3, -0.5714285714}

See similar equations:

| -2-d=1 | | p^2=-5p | | -7x=-12 | | -12+-3X=-8X | | y=-5+2 | | 0.06x+12=24 | | n^2=10-3n | | 9-c=11 | | -6x-19=2x+13 | | 5(3x+2)=4(2x-5) | | k^2=7k | | 5y+2(y-2)=5(y+1)-2 | | (3x+2)(x+2)=100 | | x^3+5x^2+3x+15=0 | | 5x+32+9x=x | | 3(3x+5)=9x+15 | | 2y+3x=-18 | | 3-4(a+1)=9+a | | 4(2x-3)=5(2x-1) | | -3y-x=2 | | y-(-13)=-2 | | 2(2x-4)=4x | | x^2+3xy^3-x=3 | | y-(-1.8)=-4.8 | | 3z-7-z+3=0 | | y+2x=-6 | | 3y-2x=-2 | | 3(b+1)=4b+1 | | x-y-5=0 | | 10a^3+7a^2+1a= | | 8x+12=10x-18 | | (3m+8n)(3m-8n)= |

Equations solver categories