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Middle term split of x2 - x - 4 |
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Answer» x2-x-4=0x2-(2-2)x-4=0x2-2x+2x-4=0x(x-2)+2(x-2)=0(x+2)(x-2)=0x-2=0x=2. ANSx+2=0x=-2. NEGLECTED VALUE x2-2x+2x-4x(x-2)+2(x-2)(x-2)(x+2) Madhar chod |
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