9(10n^2-7)-5(18n^2+7)=

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Solution for 9(10n^2-7)-5(18n^2+7)= equation: 


Simplifying
9(10n2 + -7) + -5(18n2 + 7) = 0

Reorder the terms:
9(-7 + 10n2) + -5(18n2 + 7) = 0
(-7 * 9 + 10n2 * 9) + -5(18n2 + 7) = 0
(-63 + 90n2) + -5(18n2 + 7) = 0

Reorder the terms:
-63 + 90n2 + -5(7 + 18n2) = 0
-63 + 90n2 + (7 * -5 + 18n2 * -5) = 0
-63 + 90n2 + (-35 + -90n2) = 0

Reorder the terms:
-63 + -35 + 90n2 + -90n2 = 0

Combine like terms: -63 + -35 = -98
-98 + 90n2 + -90n2 = 0

Combine like terms: 90n2 + -90n2 = 0
-98 + 0 = 0
-98 = 0

Solving
-98 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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