Expand (2a + 3b )³ help me
Answers
Answered by
2
Answer:
(2a−3b)
3
=(2a)
3
+(−3b)
3
+3(2a)(−3b)(2a−3b)
=8a
3
−27b
3
−18ab(2a−3b)
=8a
3
−27b
3
−36a
2
b+54ab
2
Answered by
1
(2a+3b)³= 8a³+27b³+3(2a)²3b+3*2a(3b)²
=8a³+27b³+36a²b+54ab²
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