Find the zeroes of the quadratic polynomial x2+7x+10. – InterviewSolution

1.

Find the zeroes of the quadratic polynomial x2+7x+10.

Answer»

X²+7x+10=0

x²+2x+5x+10=0

x(x+2)+5(x+2)=0

(x+2)(x+5) = 0

x+2 = 0 ; x = -2

x+5 = 0 ; x = -5

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