# Algebra : Solve for X

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Solve the equation

(3x + 5) (5x*2 - 22x + 21) = 0

The solution set is ___?

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## SOLUTION This solution is **FREE** courtesy of BrainMass!

(3x + 5) (5x*2 - 22x + 21) = 0

(3x + 5)(5x^2 - 7x - 15x + 21) = 0

(3x + 5)(x(5x - 7)-3(5x - 7)) = 0

(3x + 5)(5x - 7)(x - 3) = 0

(3x +5)(5x - 7)(x - 3) = 0

x = -5/3, 7/5, 3.

Â© BrainMass Inc. brainmass.com October 4, 2022, 12:59 pm ad1c9bdddf>https://brainmass.com/math/basic-algebra/algebra-solving-quadratic-equation-214265