Math, asked by purvaswag, 6 months ago

8. Multiply:
(i) (x + 7) (x2 + 7x + 3)

Answers

Answered by helloraog

1

Answer:

X3+7x2+3x+7x2+49x+21

x3+14x2+52x+21

Step-by-step explanation:

Answered by raghavgoyal215

1

Answer:

x3+14x2+52x+21

Step-by-step explanation:

=x(x2+7x+3) + 7(x2+7x+3)

=x3+7x2+3x+7x2+49x+21

=x3+14x2+52x+21

samajh aaya??

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