find the product with sutable identity y-7 y-7
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Answer:
y²-14y+49
Step-by-step explanation:
We will use the identity II
Which is (a-b)² = a²-2ab+b²
Sol:
(y-7)(y-7)
= (y)² - ( 2×y×7 ) + (7)²
= y²- 14y + 49
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