(8n-8)(5n+7)=

Simple and best practice solution for (8n-8)(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 (8n-8)(5n+7)= equation: 


Simplifying
(8n + -8)(5n + 7) = 0

Reorder the terms:
(-8 + 8n)(5n + 7) = 0

Reorder the terms:
(-8 + 8n)(7 + 5n) = 0

Multiply (-8 + 8n) * (7 + 5n)
(-8(7 + 5n) + 8n * (7 + 5n)) = 0
((7 * -8 + 5n * -8) + 8n * (7 + 5n)) = 0
((-56 + -40n) + 8n * (7 + 5n)) = 0
(-56 + -40n + (7 * 8n + 5n * 8n)) = 0
(-56 + -40n + (56n + 40n2)) = 0

Combine like terms: -40n + 56n = 16n
(-56 + 16n + 40n2) = 0

Solving
-56 + 16n + 40n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '8'.
8(-7 + 2n + 5n2) = 0

Factor a trinomial.
8((-7 + -5n)(1 + -1n)) = 0

Ignore the factor 8.

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 '(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
Solution
n = {-1.4, 1}

See similar equations:

| h^2+44h-6279=0 | | 8+6x+10=4-x | | 4x+7/6=5x-7/6 | | 13x+18=3(2x+8)+7x-6 | | m=s/60 | | (4/52)*(4/51) | | -3/8(-6-2y)=1/2(2y-3)-1 | | (x)/(x-2)=(2)/(x-2)+3 | | -6q-7=-8q+9 | | 5t+72+8t=17t-28+11t | | 21x^2+x-2=0 | | h^2+18h+78=0 | | 10+7b=1204 | | f(x)=21x^2+x-2 | | 2(3w+7)+2w=86 | | m/4+5=1/2-m | | 8(x+4)+3(x+4)=5x-5 | | 9(x+3)-2=3x+6(4+x) | | 7m=-20+2m | | d+85=2 | | m^2=5-4m | | 2/6+2/3=w/8 | | a+43=16 | | -5n+11-4n+9=n-45 | | -18x-5(x+y)=6 | | 2/7=3t/4+1 | | 3ab+4b+5ab+6+b+c= | | 6c-10d=-30 | | r/2+3r=21 | | 1/2-m | | 7(3x+4)-4x= | | A=10b+5 |

Equations solver categories