SOLUTION: [3a - (2a - 3)][3a + (2a - 3)]
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Question 166483This question is from textbook Introductory Algebra
: [3a - (2a - 3)][3a + (2a - 3)]
This question is from textbook Introductory Algebra
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
[3a - (2a - 3)][3a + (2a - 3)]
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= [3a-2a+3] * [3a+2a-3]
= [a+3] * 5a-3]
Use FOIL to get:
= 5a^2 -3a + 15a -9
= 15a^2 + 12a - 9
===========================
Cheers,
Stan H.
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