Math, asked by shivam947, 1 year ago

plz solve them both .urgent bcoz tommorow is my math exam

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Answered by arunav23
4
15. 3-5x+5y-12(x-y)²
= 3-5x+5y-12(x²+y²+2xy)
= 3-5x+5y-12x²-12y²-24xy

16. 9x²+3x-8y-64y²
= 9x²+3x-8y-64y²

14 number is not clear...

arunav23: oh
arunav23: sorry
arunav23: i will not answer the questions I don't know.....
arunav23: well do you know the answer
sachin5763: u also only fallow me
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