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1. Equations and Inequalities - Part 2 of 2

1. Equations and Inequalities / The Quadratic Formula / Problem 5

Problem 5

Solve by factoring:
7a(a - 4) = 4a² - 21a

A

a = 0, 3/7

B

a = 0, 7/3

C

a = 0, - 3/7

D

a = 0, - 7/3