Math, asked by invisibleman12, 5 months ago

Find Zeros by Quadratic formula:: 2x^2-89x+210

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Answers

Answered by tyrbylent
1

Answer:

5/2 and 42

Step-by-step explanation:

ax² + bx + c = 0

x_{12} = ( - b ± √D ) / 2a

D = b² - 4ac

~~~~~~~~~

f(x) = 2x² - 89x + 210

2x² - 89x + 210 = 0

D = (- 89)² - 4(2)(210) = 6241 = 79²

x_{1} = (89 - 79) / 4 = 5/2

x_{2} = (89 + 79) / 4 = 42

Zeros of f(x) are 5/2 and 42

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