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Fill in the blanks.5) If factor of x²+2x - mx - 18 is x + 2 then m = ________ |
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Answer» LET x+2=0 x=-2 let x2+2x-mx-18=0 -2×-2+2×-2-m×-2-18=0 4-4+2m-18=0 2m-18=0 2m=18 m=18/2 m=9 |
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