Expand(4a - 2b – 3c)²
(you write square like a^2)
Answers
Answered by
1
Step-by-step explanation:
(4a-2b-3c)²
16a²+4b²+9c²-2(4a)(2b)(3c)
16a²+4b²+9c²-16(3abc)
16a²+4b²+9c²-48abc
Answered by
0
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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