Find sum and product of roots of the Quadratic equation X-4
3x +9=0.0
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Step-by-step explanation:
sum=x-4+3x+9
=4x+5
product=(x-4)(3x+9)
=[3x²+9x-12x-36]
=[3x²-3x-36]
as we know that (a+b)×(d-c)=ad-ac+bd-bc
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