Find the product (x+7y) (7x-y).
Answers
Answered by
1
Step-by-step explanation:
x(7x-y) +7y(7x-y)
=7x2-xy+49xy-7y2
=7x2 -7y2 +48xy
Answered by
2
Answer:
(x+7y)×(7x−y)
=x(7x−y)+7y(7x−y)
=7x
2
−xy+49xy−7y
2
=7x
2
+48xy−7y
2
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