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Solve each equation. 5x2 - 55 = 90
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Solve each equation. 5x2 - 55 = 90

User EliuX
by
4.6k points

1 Answer

4 votes

Answer:

x= ± sqrt(29)

Explanation:

5x^2 - 55 = 90

Add 55 to each side

5x^2 - 55+55 = 90+55

5x^2 = 145

Divide each side by 5

5/5x^2 =145/5

x^2 = 29

Take the square root of each side

sqrt(x^2)= ± sqrt(29)

x= ± sqrt(29)

User Theotherlight
by
4.3k points
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