Question

Find the product of the following binomials :

(ii) (3a + b) (b – 3a) (iii)(2x + 10) (2x – 5)​

Answer 1

Step-by-step explanation:

i hope it may help you ..

Answer 2

ansWer:-

Step-by-step explanation:

ii) (3a+b)(b-3a)

=3a(b-3a) +b(b-3a)

=3ab-9a²+b²-3ba

now cut +ve 3ab and -ve 3ba

=-9a²+b² (ans)

iii)(2x+10)(2x-5)

=2x(2x-5) +10(2x-5)

=4x²-10x+20x-50

=4x²+10x-50 (ans)

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