Find x so that, x²+3x+1, x^2+5x + 16 and x^2 -
7x + 3 are the consecutive terms of AP.
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Step-by-step explanation:
2(x^2+5x+16)=x^2+3x+1+x^2-7x+3
2x^2+10x+32=2x^2-4xx+4
14x=-28
x=-2
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