Question

Find the zeroes of the quadratic polynomial x2+7x+ 10 and verify relationsp between the zeroes and the coefficient

Answer 1

solution
Given Polynomial is x^2+7x+10

= x^2+5x+2x+10

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

= (x+2)(x+5)

Either x+2=0 or x+5=0

=> x+2=0 or, x+5=0

=> x= -2 or x= -5

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sum of zeroes= -b/a= -(-2-5)= 7

products of zeroes= c/a= (-5*-2)= 10

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Answer 2

Here's your complete ans.....