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14-09-2022
Mathematics

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Multiply the polynomials (4a3-5a-3) and (2a2-7a+3). Simplify the answer.

Multiply the polynomials 4a35a3 and 2a27a3 Simplify the answer class=

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andrew1392410 andrew1392410

14-09-2022

Answer:

8a^5 - 28a^4 + 2a^3 +29a^2 + 6a - 9

Step-by-step explanation:

(4a3-5a-3) × (2a2-7a+3)

= 4a^3 × 2a^2 + 4a^3(-7a) + 4a^3 × 3 - 5a × 2a^2 - 5a(-7a) - 5a × 3 - 3 × 2a^2 - 3(-7a) - 3 × 3

= 8a^5 - 28a^4 + 2a^3 +29a^2 + 6a - 9

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