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) x2 + 9xy - 18y?
Answers
Answered by
8
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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