Question

4xalevado a 2-8x+4=0

Answer 1

4x² - 8x + 4 = 0 <<< simplifica tudo por 4

x² - 2x + 1 = 0

Bhaskara:
b² - 4ac
-2² - 4.1.1
4 - 4
0 = delta

x = -b +/- √Δ /2a
x = -(-2) +/- √0 / 2.1
x = 2 +/- 0/2

x1 = 2+0/2 = 2/2 = 1
x2 = 2-0/2 = 2/2 = 1

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