1.

If x2+5x+6=0,x2+5x+6=0, then the value of 2xx2−7x+62xx2−7x+6 is?

A. 16161616161616161616116616
B. 13131313131313131313113313
C. −16−16−16−16−16−16−16−16−16161166−16
D. −13−13−13−13−13−13−13−13−13131133−13
Answer» B. 13131313131313131313113313


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