AMC / AIME · Vieta's Formulas · Easy

Vieta's Formulas: For math, find the sum of the roots.

Roots and coefficients.

Try the problem

For x2−9x+20=0x^2-9x+20=0, find the sum of the roots.

Hint and answer

Concept to use

Quadratic sum/product.

Hint

Vieta on monic quadratic.

Answer

9

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