Find the roots of the quadratic equation x^2+5x-(a+1)(a+6)=0?
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Step-by-step explanation:
x2+(a+6)x-(a+1)x-(a+1)(a+6)=0
x (x+a+6)-a-1 (x+a+6)=0
(x+a+6)(x-a-1)=0
x= -(a+6),x=a+1
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