Math, asked by samreenbuksh0786, 6 months ago

16(a+6b)²-9(a-3b)²
Does anyone knows the answer?

Answers

Answered by scs996228

1

Answer:

14a-138b.

Step-by-step explanation:

16a*2+96b*2-9a*2-27b*2

=32a+192b-18a-54b

=32a-18a+192b-54b

=14a-138b.

Answered by veersgraj

1

Answer:

7a2+495b2+66ab

Step-by-step explanation:

16(a+6b)2-9(a-3b)2

put (a+b)2 and (a-b)2

16(A2+36b2+2*a*6b)-9(A2+9b2-2*a*3b)

16a2+576b2+12ab-9a2-81b2+54ab

16a2-9a2+576b2-81b2+12ab+54ab

7a2+495b2+66ab

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