graciehill2498
Answered

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can someone plz explain

Can Someone Plz Explain class=

Sagot :

aminerassam

Answer:

4) x = 3/2 , x = -1/2

Steps:

(2x-1)² - 4 = 0

4x²-4x+1 - 4 = 0

4x²-4x-3 = 0

x = (4±√((-4)²-4×4×(-3))/2×4

x = (4±√(16+48)/8

x = (4±√(64)/8

x = (4±8)/8

x = 12/8 , x = -4/8

x = 3/2 , x = -1/2

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