## 1) Write the simplest form of the product: (x + 6y) (x + 3y) (a) x² + 9xy + 18y? (b) x² – 9xy + 18y (c) x2 – 9xy – 18y? (d) x

Question

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## Answers ( )

Answer:a

Step-by-step explanation:multiple each term in the first parentheses by each term in the second parentheses

x×x+3xy+6xy+6y×3y

calculate the product

=x^2+3xy+6xy+6x×3y

= x^2+3xy+6xy+18y^2

collect like terms

=x^2+9xy+18y^2

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