Find the value of 81x² - 90xy + 25y? when x = 15,
y= 27:
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4
Answer:
Answer =0
Step-by-step explanation:
81x² - 90xy + 25y
81x² - 90xy + 25y =(9x-5y)²
=(9*15 - 5*27)²
=(135 - 135)²
=(0)²
=0
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