3z(7z+10)=21z^2+30z-2

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Solution for 3z(7z+10)=21z^2+30z-2 equation: 


Simplifying
3z(7z + 10) = 21z2 + 30z + -2

Reorder the terms:
3z(10 + 7z) = 21z2 + 30z + -2
(10 * 3z + 7z * 3z) = 21z2 + 30z + -2
(30z + 21z2) = 21z2 + 30z + -2

Reorder the terms:
30z + 21z2 = -2 + 30z + 21z2

Add '-30z' to each side of the equation.
30z + -30z + 21z2 = -2 + 30z + -30z + 21z2

Combine like terms: 30z + -30z = 0
0 + 21z2 = -2 + 30z + -30z + 21z2
21z2 = -2 + 30z + -30z + 21z2

Combine like terms: 30z + -30z = 0
21z2 = -2 + 0 + 21z2
21z2 = -2 + 21z2

Add '-21z2' to each side of the equation.
21z2 + -21z2 = -2 + 21z2 + -21z2

Combine like terms: 21z2 + -21z2 = 0
0 = -2 + 21z2 + -21z2

Combine like terms: 21z2 + -21z2 = 0
0 = -2 + 0
0 = -2

Solving
0 = -2

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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