1. Square of 9x - 7xy is :
Answers
Answered by
7
Answer:
(9x-7xy)^2
=81x^2-126x^2y+49xy^2
Step-by-step explanation:
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Answered by
1
Answer:
81x² + 49x²y² - 126x²y is answer
Step-by-step explanation:
(9x - 7xy)²
81x² + 49x²y² - 126x²y
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