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5 votes
Solve the following equation for x: 2x^2 - 3 = 47

With explanation plz ion wanna go summer school

2 Answers

5 votes

Answer:

Explanation:

2x²-3=47

2x²=47+3

x²=50/2=25

x=±√25=±5

User Diego Faria
by
8.8k points
6 votes

Answer:

x = ±5

Explanation:

2x^2 - 3 = 47

Add 3 to each side

2x^2 - 3+3 = 47+3

2x^2 = 50

Divide each side by 2

2x^2 = 50/2

x^2 = 25

Take the square root of each side

sqrt(x^2) = sqrt(25)

x = ±5

User Joel Chu
by
8.9k points

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