`(5q^2)/6 - q^2/3 = 72` Solve the equation.

iamkaori | Student

multiply the equation by 6:

5q^2 - 2q^2 = 432

simplify:

3q^2 = 432

divide both sides by 3:

q^2 = 144

square root both sides:

q = +- 12

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