Question

in polynomial x²+7×+10 if a and b are its zero then find a+b and ab
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Answer 1

sorry my answer don't know....

Explanation:

please try to understand

Answer 2

Answer:

zeroes of x^2+7x+10

are

x^2+7x+10

x(x+2) 5(x+2)

(x+2)(x+5)

therefore zeroes are -2 and-5

therefore a=-2 &b=-5

so,. a+b=-2+(-5)

=-2-5

=-7

ab=-2×-5

=10

therefore a+b=-7

ab=10