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(i) = 15 a 4 b 2 - 20 a 3 b 3 + 30 a 2 ...

(i) = 15 a 4 b 2 - 20 a 3 b 3 + 30 a 2 b 4 (ii) = − 12 x 4 y 2 + 9 x 3 y 3 − 12 x 3 y + 15 x 2 y 2

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Let's solve the given algebraic expressions step by step. ### Question (i): **Expression:** \( 15a^4b^2 - 20a^3b^3 + 30a^2b^4 \) #### Step 1: Identify the terms The expression consists of three terms: 1. \( 15a^4b^2 \) ...
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