3(x^2-5n)+3n-7x^2=

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Solution for 3(x^2-5n)+3n-7x^2= equation: 


Simplifying
3(x2 + -5n) + 3n + -7x2 = 0

Reorder the terms:
3(-5n + x2) + 3n + -7x2 = 0
(-5n * 3 + x2 * 3) + 3n + -7x2 = 0
(-15n + 3x2) + 3n + -7x2 = 0

Reorder the terms:
-15n + 3n + 3x2 + -7x2 = 0

Combine like terms: -15n + 3n = -12n
-12n + 3x2 + -7x2 = 0

Combine like terms: 3x2 + -7x2 = -4x2
-12n + -4x2 = 0

Solving
-12n + -4x2 = 0

Solving for variable 'n'.

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

Add '4x2' to each side of the equation.
-12n + -4x2 + 4x2 = 0 + 4x2

Combine like terms: -4x2 + 4x2 = 0
-12n + 0 = 0 + 4x2
-12n = 0 + 4x2
Remove the zero:
-12n = 4x2

Divide each side by '-12'.
n = -0.3333333333x2

Simplifying
n = -0.3333333333x2

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