5z(z+3)=5z^2+15z-7

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Solution for 5z(z+3)=5z^2+15z-7 equation:


Simplifying
5z(z + 3) = 5z2 + 15z + -7

Reorder the terms:
5z(3 + z) = 5z2 + 15z + -7
(3 * 5z + z * 5z) = 5z2 + 15z + -7
(15z + 5z2) = 5z2 + 15z + -7

Reorder the terms:
15z + 5z2 = -7 + 15z + 5z2

Add '-15z' to each side of the equation.
15z + -15z + 5z2 = -7 + 15z + -15z + 5z2

Combine like terms: 15z + -15z = 0
0 + 5z2 = -7 + 15z + -15z + 5z2
5z2 = -7 + 15z + -15z + 5z2

Combine like terms: 15z + -15z = 0
5z2 = -7 + 0 + 5z2
5z2 = -7 + 5z2

Add '-5z2' to each side of the equation.
5z2 + -5z2 = -7 + 5z2 + -5z2

Combine like terms: 5z2 + -5z2 = 0
0 = -7 + 5z2 + -5z2

Combine like terms: 5z2 + -5z2 = 0
0 = -7 + 0
0 = -7

Solving
0 = -7

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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