Question

Use identity to find the product (7a+2p)(7a-2p)

Answer 1

Step-by-step explanation:

(7a+2p)(7a-2p)

(7a)^2-(2p)^2

49a^2-4p^2

Answer 2

Answer:

The identity used above is

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

Thus,

$({7a})^{2} - ( {2p)}^{2} = {49a}^{2} - {4p}^{2}$

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