SOLUTION: How do you solve this problem by using the principle of zero? (2x+ 2/5)(4x - 1/7)

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Question 260008: How do you solve this problem by using the principle of zero? (2x+ 2/5)(4x - 1/7)
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
set each factor to zero
2x+2/5=0
4x-1/7=0
and solve each one for x