(y-5)(y+9) is equal to
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Answered by
2
Answer:
y^2+4y-45
Step-by-step explanation:
Using identity (x+a)(x+b)
y^2+(-5+9)y+(-5×9)
=y^2+4y-45
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anirudhabthakur1205:
brainliest plzzzz
Answered by
1
= y times y + y times 9 + -5 times y + -5 times 9
= y²+9y+-5y-45
=y²+4y-45
brainliest pls
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