Question

multiply (4+x) (4+y)​

Answer 1

Using,

${a}^{2} - {b}^{2} = (a + b)(a - b)$

$= (4 + x)(4 - x) \\ = {4}^{2} - {x}^{2} \\ = 16 - {x}^{2}$

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Answer 2

Answer:

4 + x * 4 + y

4 + 4x + y

Step-by-step explanation:

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