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5 June, 22:02

5x^2+15=51; square root property

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  1. 5 June, 22:25
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    1. Subtract 15 to the other side (5x^2 = 36)

    2. Square root both sides to remove the squared of 5x^2 (sqrt (5x^2) = sqrt (36) simplified to 5x = 6)

    3. divide by 5 to get x = 6/5

    Final result is 6/5
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