find the zero of quadratic polynomial x²+7x+10 and verify the reletionship between the zeroes and the coefficient
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x2+7x +10= x2+5x+2x+10
=x(x+5)+2(x+5)
=x=-2,-5
this are zeroes of it
=x(x+5)+2(x+5)
=x=-2,-5
this are zeroes of it
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