Question

expanded form (3a2−2)3 is:

Answer 1

Step-by-step explanation:

ANSWER

We simplify the given expression 3a

2

(2a

2

−3)+4a(2a

3

+3)−12(a+1) as follows:

3a

2

(2a

2

−3)+4a(2a

3

+3)−12(a+1)

=6a

4

−9a

2

+8a

4

+12a−12a−12

=(6a

4

+8a

4

)−9a

2

+(12a−12a)−12(Combiningliketerms)

=a

4

(6+8)−9a

2

+a(12−12)−12

=14a

4

−9a

2

−12

Hence, 3a

2

(2a

2

−3)+4a(2a

3

+3)−12(a+1)=14a

4

−9a

2

−12.

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