Question

Do this in note book it's urgent please do it maths question class 7th​

Answer 1

Answer:

3b(a³-c)

3(1)((-2)³-10)

3(-8-10)

3(-18)=-54

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Answer 2

Answer:

Given:a=2

b=1

c=10

then , 3b(a³-c) =?

3b(a³-c)....( substitute the value)

3 X 1(2³-10)

3(2³-10)

3(18-10)

3(8)

24.