Question

Expand(4a - 2b – 3c)²
(you write square like a^2)​

Answer 1

Step-by-step explanation:

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(4a-2b-3c)²

16a²+4b²+9c²-2(4a)(2b)(3c)

16a²+4b²+9c²-16(3abc)

16a²+4b²+9c²-48abc

Answer 2

Answer:

(4a - 2b - 3c)^2

= (4a)^2 + (-2b)^2 + (-3c)^2 + 2(4a)(-2b) + 2(-2b)(-3c) + 2(-3c)(4a)

= 16a^2 + 4b^2 + 9c^2 - 16ab + 12bc - 24ac

Step-by-step explanation:

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