Question

(4x+7y)2 expand it give step by step explantion don't scam otherwise i will report you
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Answer 1

Answer:

11z

Step-by-step explanation:

I think this is the answer

Answer 2

QUESTION:

$to \: expand \: the \: following \: \\ \\ ( {4x + 7y)}^{2}$

SOLUTION:

$= ( {4x)}^{2} + ( {7y)}^{2} + 2(4x)(7y) \\ \\ = 16 {x}^{2} + 49 {y}^{2} + 56xy \: \\ \\ \: answer$

IDENTITY USED:

$\\ \\ ( {x + y)}^{2} = {x}^{2} + {y}^{2} + 2xy$