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Slove 3x2-8=40 algebraically
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Slove 3x2-8=40 algebraically

User Elanna
by
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1 Answer

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Answer: x= -4, 4

Explanation:

3x^2 - 8 = 40 add 8 to both sides

3x^2 = 48 divide both sides by 3

x^2 = 48/3 = 16 square root both sides

x = +/- 4

User Digaomatias
by
6.2k points
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