Question
Multiply the binomials. Use any method.$$(5 a b-1)(2 a b+3)$$
Step 1
This is also known as the FOIL method (First, Outer, Inner, Last). So, we have: \[(5ab-1)(2ab+3) = 5ab \cdot 2ab + 5ab \cdot 3 - 1 \cdot 2ab - 1 \cdot 3\] Show more…
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