Question

8. Simplify the following.
(i)
$(2x - 3) ^3(2x + 3) ^3$
(ii)
$(x + 2p) ^3(x - 2p) {}^{3}$
(iii)
$(x + 3) ^{3} (x - 3) {}^{3}$

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Answer 1

Answer:

We have,

5

x−3

×3

2x−8

=225

5

3

5

x

×

3

8

3

2x

=225

5

x

×3

2x

=25×9×5

3

×3

8

5

x

×3

2x

=5

2

×3

2

×5

3

×3

8

5

x

×3

2x

=5

5

×3

10

5

x

×3

2x

=5

5

×3

2×5

So, x=5