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Question

Simplify:(2x2)x2−9+x+159−x2

A
2x+5x+3
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B
2x5x3
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C
2x5x+3
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D
None of these
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Solution

The correct option is B 2x+5x+3
=2x2x29+x+159x2=2x2x29x+15x29=2x26x+5x15(x3)(x+3)=2x(x3)+5(x3)(x3)(x+3)=(x3)(2x+5)(x3)(x+3)=2x+5x+3

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