factorise Q2 andQ3...
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zoya0710:
where is the third question
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2. 2(2+5yz)(2-5yz)
= (4+10yz)(2-5yz)
= 8+20yz-20yz-50yz
=4(2+5yz)- 10yz(2+5yz)
=(4-10yz) (2+5yz)
I hope it will help you...
but where is Q3.??
hii
hiii
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These are the solutions of 2and 3
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