Question

expand using the formulae (7x+6y)3​

Answer 1

Answer:

(A+ b)^3 = a^3+b^3+ 3(ab )(a+b )

7x+6y)^3= (7x)^3+*(6y)^3+3(7x)(6y)(7x+6y)

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Step-by-step explanation:

Answer 2

Answer:

(7x+6y) 3

=7x×3+6y×3

=21x+18y

Here we use the following formula

a(b+c)

=ab+ac