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Question

The given expression '2x2+3y+5z2+10p+6y+7x2', on simplification gives:


A

9x2+9y+5z2+10p

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B

11x2+2y+10z2+10p

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C

9x2+12y+5z2+10p

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D

19x2+10y+5z2+10p

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Solution

The correct option is A

9x2+9y+5z2+10p


Given expression is
2x
2+3y+5z2 +10p+6y+7x2

Group the like terms:
= (2x2+7x2) + (3y+6y) + 10p + 5z2

Solve groups:
=
x2(2+7)+y(3+6)+5z2+10p
= 9x2+9y+5z2+10p


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