from a quadratic equaton of roots are 3 and-10
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Answer:
The quadratic equation is x^2 + 7x - 30.
Step-by-step explanation:
sum of roots = 3 + (-10) = 3 - 10 = -7
product of roots = 3 × (-10) = -30
quadratic equation = x^2 - (sum of roots)x + (product of roots)
= x^2 - (-7)x + (-30)
= x^2 + 7x - 30
Answered by
1
Answer:the quadratic equation is x^2+7xx-30.
Step-by-step explanation:sum of roots 3+(-10)=3-10=-7
Product of roots 3×(-10) = -30
quadratic equation = x^2 - (sum of roots)x+(product of roots)
=x^2- (-7) x+(-30)
=x^2+7x-30
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