Expand : (4a − 6b − 3c)
2
Answers
Answered by
3
Answer:
a=4
b=-6
c=-3
hope help you
Answered by
8
Answer:
(4a-6b-3c)²=16a²+36b²+9c²-48ab+36bc - 24ca
Step-by-step explanation:
(4a-6b-3c)²
Using the identity:-
(a-b-c)²=a²+b²+c²-2ab+2bc-2ca
a=4a, b=6b, c=3c
=(4a)²+(6b)²+(3c)²-2(4a)(6b)+2(6b)(3c)- 2(3c)(4a)
=16a²+36b²+9c²-48ab+36bc-24ca
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