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Multiply (7a+3b)a n d\ (2a+3b) by column...

Multiply `(7a+3b)a n d\ (2a+3b)` by column method.

Text Solution

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`(7a + 3b)xx(2a+3b)`
`2a(7a+3b)+3b(7a+3b)`
`14a^2+6ab+21ab+9b^2`
`14a^2+27ab+9b^2`
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