Find the zeroes of the quadratic polynomial x2+7x+12 and verify the relation between the zeroes and its coefficients
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Step-by-step explanation:
x2+7x+12=0
= x2+4x+3x+12=0
= x(x+4)+3(x+4)=0
=(x+3)(x+4)=0
therefore x=-4 or x=-3
roots are -3 and -4
sum of roots = -b/a=-7=-3-4
product of roots = d/a =(-3)(-4)=12
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