Question

factorise
32a^3
+ 108b^3
.​

Answer 1

Answer:

32a^3+108b^3

take 4 common from both of them

which becomes,

4(8a^3+27b^3)

next,

8a^3=(2a)^3

27b^3=(3b)^3

4[(2a)^3+(3b)^3]

ok

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