What are the solutions of 12 - x2 = 0?
2 answers:
Answer:
x = -2sqrt(3), 2sqrt(3)
Step-by-step explanation:
12 - x² = 0
x² = 12
x = +/- sqrt(12)
x = +/- 2sqrt(3)
sqrt: square root
Answer:
±2 sqrt(3) =x
Step-by-step explanation:
12 - x^2 = 0
Add x^2 to each side
12 - x^2 + x^2 = x^2
12 = x^2
Take the square root of each side
±sqrt(12) = sqrt(x^2)
±sqrt(4*3) = sqrt(x^2)
±sqrt(4) sqrt(3) = x
±2 sqrt(3) =x
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