taylorarrington
taylorarrington
20-10-2015
Mathematics
contestada
solve each equation 2x^2-6=42
Respuesta :
AL2006
AL2006
20-10-2015
You said that 2x² - 6 = 42
Add 6 to each side: 2x² = 48
Divide each side by 2 : x² = 24
Take the square root of each side:
x = √24
x = +4.9
(rounded)
and
x = -4.9
(rounded)
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