28n^2-45n-7=

Simple and best practice solution for 28n^2-45n-7= 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 28n^2-45n-7= equation:


Simplifying
28n2 + -45n + -7 = 0

Reorder the terms:
-7 + -45n + 28n2 = 0

Solving
-7 + -45n + 28n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-1 + -7n)(7 + -4n) = 0

Subproblem 1

Set the factor '(-1 + -7n)' equal to zero and attempt to solve: Simplifying -1 + -7n = 0 Solving -1 + -7n = 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 + -7n = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -7n = 0 + 1 -7n = 0 + 1 Combine like terms: 0 + 1 = 1 -7n = 1 Divide each side by '-7'. n = -0.1428571429 Simplifying n = -0.1428571429

Subproblem 2

Set the factor '(7 + -4n)' equal to zero and attempt to solve: Simplifying 7 + -4n = 0 Solving 7 + -4n = 0 Move all terms containing n to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -4n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4n = 0 + -7 -4n = 0 + -7 Combine like terms: 0 + -7 = -7 -4n = -7 Divide each side by '-4'. n = 1.75 Simplifying n = 1.75

Solution

n = {-0.1428571429, 1.75}

See similar equations:

| -7x+5=11x+4 | | 2+8(t-2)=5(t+7)+5 | | 9a-15=66 | | X(8-x)(x+9)=0 | | x+(x+80)=120 | | x+x=35 | | (x^5)/9 | | X5/9 | | -3j=44.7 | | 3x+9=64-4x | | (-2-2i)(-4-3i)(7+8i)=0 | | 6k+5=48 | | 3x+4(2)=9 | | 9x-34=4+1 | | 12y^2+3y= | | x(1+2)=96 | | 12-n=18 | | 0.6x+x=80 | | 16x-48=-16 | | 5x+103=14x-14 | | 48x+16x=-16 | | 30/6x=45 | | .035=-x+1 | | 1/24/7 | | (x^7+x^3)/x | | 7(x+1)-3x=27 | | 4t-7=17 | | ((36x^2-72x+36)/25)-x=0 | | 15w+2d-4w-d= | | x+7(0)=0 | | 6x-2=13+3x | | 2x-1/x-3 |

Equations solver categories