Question

0.4a+0.5b)(0.4a+0.5b)
identity solve​
algebraic expression pls don't type it will be confusing
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Answer 1

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Answer 2

Answer:

1.6a²+4ab+2.5b²

Step-by-step explanation:

(0.4a+0.5b)(0.4a+0.5b)

(0.4a+0.5b)². {bye using (a+b)²=(a+b) (a+b)}

(0.4a)²+2×0.4a×0.5b+(0.5b)²

1.6a²+2×2ab+2.5b²

1.6a2+4ab+2.5b²

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