8. Multiply:
(i) (x + 7) (x2 + 7x + 3)
Answers
Answered by
1
Answer:
X3+7x2+3x+7x2+49x+21
x3+14x2+52x+21
Step-by-step explanation:
Answered by
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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