Question

x2-5x+6=0
√8-√8+√8
√64

Answer 1

X² - 5x + 6 = 0

a = 1; b = - 5; c = 6

Δ = b² - 4ac

Δ = (-5)² - 4.1.6

Δ= 25 - 24

Δ = 1

X = - b +/- √Δ

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2a

x = - (-5) +/- √1

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2.1

x' = (5 + 1)/2 = 6/2 = 3

x" = (5 - 1)/2 = 4/2 = 2

√8 - √8 + √8 = V8

√64 = 8