Find the remainder when x +4x square -5xsquare- 6x+7 is
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x + 4xsquare - 6x + 7 =0
4x square - 5x +7 =0
b square - 4ac = (-5) - 4 × 4 × 7
= 25 - 112
= -87
:.roots are not real..
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