Question

Expand the following(3a – 4b – 3c)²​

Answer 1

Answer:

(3a-4b-3c)(3a-4b-3c)

3a(3a-4b-3c)-4b(3a-4b-3c)-3c(3a-4b-3c)

9a^2-12ab-9ac-12ab+16b^2+12bc-9ac+12bc+9c^2

9a^2-24ab+18ac+16b^2+24bc+9c^2

Step-by-step explanation:

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