Asked by guadalupe
factor the following: 9x²-66x+21
Answers
Answered by
Reiny
9x²-66x+21
always look for common factors first, thus resulting i smaller numbers
= 3(3x^2 - 22 + 7)
= 3(3x - 1)(x - 7)
always look for common factors first, thus resulting i smaller numbers
= 3(3x^2 - 22 + 7)
= 3(3x - 1)(x - 7)
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