Answer:
x = ± 4
Step-by-step explanation:
given 3x² = 48 ( divide both sides by 3 )
x² = 16 ( take the square root of both sides )
x = ± = ± 4
x ∈ {- 4, 4 }
Solve 3(x−5) = 9. x = −3 x = 2 x = 7 x = 8 (this is the answer)
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