Question

Find (3a+2/b)(2a- 3/b)

Answer 1

Answer:

6a^2 - 5a/b - 6/(b^2)

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Step-by-step explanation:

we'll use FOIL method:

First

Outer

Inner

Last

$(3a + \frac{2}{b}) (2a - \frac{3}{b} )\\= (3a * 2a) + (3a * \frac{-3}{b}) + (\frac{2}{b} * 2a) + (\frac{2}{b} * \frac{-3}{b})\\= 6a^{2} + (\frac{-9a}{b}) + \frac{4a}{b} + ( \frac{-6}{b^{2}})\\= 6a^{2} -\frac{5a}{b} - \frac{6}{b^{2}}$