(-2n+4)(-5n+7)=

Simple and best practice solution for (-2n+4)(-5n+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 (-2n+4)(-5n+7)= equation: 


Simplifying
(-2n + 4)(-5n + 7) = 0

Reorder the terms:
(4 + -2n)(-5n + 7) = 0

Reorder the terms:
(4 + -2n)(7 + -5n) = 0

Multiply (4 + -2n) * (7 + -5n)
(4(7 + -5n) + -2n * (7 + -5n)) = 0
((7 * 4 + -5n * 4) + -2n * (7 + -5n)) = 0
((28 + -20n) + -2n * (7 + -5n)) = 0
(28 + -20n + (7 * -2n + -5n * -2n)) = 0
(28 + -20n + (-14n + 10n2)) = 0

Combine like terms: -20n + -14n = -34n
(28 + -34n + 10n2) = 0

Solving
28 + -34n + 10n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '2'.
2(14 + -17n + 5n2) = 0

Factor a trinomial.
2((7 + -5n)(2 + -1n)) = 0

Ignore the factor 2.

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

Simplifying
7 + -5n = 0

Solving
7 + -5n = 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 + -5n = 0 + -7

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

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

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

Simplifying
n = 1.4

Subproblem 2
Set the factor '(2 + -1n)' equal to zero and attempt to solve:

Simplifying
2 + -1n = 0

Solving
2 + -1n = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1n = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1n = 0 + -2
-1n = 0 + -2

Combine like terms: 0 + -2 = -2
-1n = -2

Divide each side by '-1'.
n = 2

Simplifying
n = 2
Solution
n = {1.4, 2}

See similar equations:

| log(4x^2)-log(8x)=2 | | 3x-8x=10 | | 7x+13y=10 | | 225c+3.50(c+1.50)=2000 | | 150c+225(c+3.50)=2000 | | -15+a=-27 | | 3x-7x=8-12 | | -1(h-7)=12 | | 4x^2+30=-29x | | -4(h+2)=24 | | 5t-8t=27 | | 6n-2=30+4 | | x^2=15x-56 | | 24-4x=16 | | x+15=2x-4 | | 2n-27=53 | | x^2-11x-7=-8x-3 | | x^2-11x+36=6 | | x^2-13=-6x+3 | | 6x+33=9 | | 15x-20=-10 | | -2(6n-3)= | | -6(5m-4)= | | 10x^2-x+1=0 | | 14=6m-4 | | 0=11x-11y+8 | | 6n+1+4n+19=90 | | 4a-5=-7 | | 20=x+4 | | 0.4y=40 | | 200=8(1+8x) | | M+1+m=11 |

Equations solver categories