(0.8a 0.5b)× (1.5a 3b) =0.8a× (1.5a 3b) 0.5b(1.5a 3b) =1.2a^2 2.4ab 0.75ab+1.5b^2 =1.2a^2 3.15ab+1.5b^2 ...

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Multiplication of Any Polynomial

0.8a-0.5b by ...

Question

$(0.8 a - 0.5 b) b y (1.5 a - 3 b)$

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Solution

$(0.8 a - 0.5 b) \times (1.5 a - 3 b) = 0.8 a \times (1.5 a - 3 b) - 0.5 b (1.5 a - 3 b) = 1.2 a^{2} - 2.4 a b - 0.75 a b + 1.5 b^{2} = 1.2 a^{2} - 3.15 a b + 1.5 b^{2}$

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