check whether x minus 2 × x + 1 equal x minus 1 ×X + 3
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Given that, x-2×x+1=x-1×x+3 x-2x+1=x-x+3,. x-2x+1=3. -x+1=3 -x=3-1. x=-2. now we have to verify , x-2×x+1=x-1×x+3. putting -2 in the equation. (-2)-2×(-2) +1=-2-1×-2+3 -2-2×-2+1=-2-1×-2+3 -2+4+1=-2+2+3. 2+1=3 3=3 Lhs=rhs verified.
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