X^2+7x+6 ---------- X^2+2x+1

Question

X^2+7x+6

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X^2+2x+1

Answer 1

 (X^2+7x+6)/(X^2+2x+1)=(x+1)(x+6)/(x+1)²=(x+6)/(x+1)

Answer 2

D=b^2-4ac
D=49-4*1*6
D=49-24=25=5^2
x1=(25-7)/2=9
x2=(-25-7)/2=-32/2=-16