dusty
I need help with this equation(:



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dusty
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\[2a ^{2}+30a+100\]

niksva
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take out 2 from equation
tell me what did u get?

shaik0124
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2(a2+15a+50)

dusty
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you mean like divide it all by 2 or just take away the 2?

niksva
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@shaik0124 is right
can u factorise (a^2 + 15a + 50)?

dusty
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yes?

shaik0124
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a2+10a+5a+50
a(a+10)+5(a+10)
(a+10)(a+5)

niksva
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@dusty u need to split 50 in such a way that on adding( or subtracting) the two numbers u get 15

shaik0124
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finally answer will b 2(a+10)(a+5)

shaik0124
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@niksva am i right

niksva
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yes buddy u r right

dusty
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i get it that you both for your smartness hellp :)

shaik0124
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we r hear to help anytime