7k^2+9k=k(7k+9)

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Solution for 7k^2+9k=k(7k+9) equation: 


Simplifying
7k2 + 9k = k(7k + 9)

Reorder the terms:
9k + 7k2 = k(7k + 9)

Reorder the terms:
9k + 7k2 = k(9 + 7k)
9k + 7k2 = (9 * k + 7k * k)
9k + 7k2 = (9k + 7k2)

Add '-9k' to each side of the equation.
9k + -9k + 7k2 = 9k + -9k + 7k2

Combine like terms: 9k + -9k = 0
0 + 7k2 = 9k + -9k + 7k2
7k2 = 9k + -9k + 7k2

Combine like terms: 9k + -9k = 0
7k2 = 0 + 7k2
7k2 = 7k2

Add '-7k2' to each side of the equation.
7k2 + -7k2 = 7k2 + -7k2

Combine like terms: 7k2 + -7k2 = 0
0 = 7k2 + -7k2

Combine like terms: 7k2 + -7k2 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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