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15-12-2020
Mathematics

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2x2−3x−4=0 Solve using the quadratic formula.

Respuesta :

tafarigayle19 tafarigayle19

15-12-2020

Answer:

Step-by-step explanation:

2x2−3x−4=0

For this equation: a=2, b=-3, c=-4

2x2+−3x+−4=0

Step 1: Use quadratic formula with a=2, b=-3, c=-4.

x=

−b±√b2−4ac

2a

x=

−(−3)±√(−3)2−4(2)(−4)

2(2)

x=

3±√41

4

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