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Justice Meza
Mathematics
11 August, 09:14
Solve for x.
8x^2 - 5 = 11
+4
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2
)
Simeon Hutchinson
11 August, 09:28
0
X = 1
8x^2 turns to 16x
Add five on each side of the equation, totaling 16.
16x = 16
x = 1
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Pinto
11 August, 09:43
0
x = ±sqrt (2)
Step-by-step explanation:
8x^2 - 5 = 11
Add 5 to each side
8x^2 - 5+5 = 11+5
8x^2 = 16
Divide each side by 8
8x^2 = 16/8
x^2 = 2
Take the square root of each side
sqrt (x^2) = ±sqrt (2)
x = ±sqrt (2)
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