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Question

Subtract: 2x2+6−4x from 3x2−6x+8.

A
x28x+2
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B
x22x+2
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C
x2+2x+2
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D
2x22x+2
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Solution

The correct option is B x22x+2
To subtract: (3x26x+8)(2x2+64x)

Grouping like terms together, we get
=(3x22x2)+(6x(4x))+(86)=x22x+2

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