CTET 2 Math and Science 28 Dec 2021 Paper

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Question : 43 of 150
 
Marks: +1, -0
If P = 3x2 - 7x + 8
Q = x2 + 8x - 3
and
R = -5x2 - 3x + 2, then
(Q - R) - P is equal to
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