subract 15xy-7y2 +4×2 from 8y 2-3×2 - 8xy
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Answer: 15y² -14 - 23xy
Step-by-step explanation:
1st polynomial : 15xy - 7y² + 4x2
= 15xy - 7y² + 8
2nd polynomial : 8y² - 3x2 - 8xy
= 8y² - 6 - 8xy
We have to subtract the FIRST polynomial from the SECOND.
So,
= 8y² - 6 - 8xy - ( 15xy - 7y² + 8
= 8y² - 6 - 8xy - 15xy + 7y² - 8 (sign change when you open the bracket )
= 15y² -14 - 23xy
Hope it helps u :)
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