Question

(7d+3e) (7d+3e) solve this expression​

Answer 1

Answer:

49d^2 + 9e^2 + 42de

Step-by-step explanation:

According to the formula :-

(a + b)(a + b) = (a + b)^2

(7d + 3e)(7d + 3e) = (7d + 3e)^2

(7d + 3e)^2 = (7d)^2 + (3e)^2 + 2✖7d✖3e

= 49d^2 + 9e^2 + 42de

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