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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your answer is C. plug in -1 for x and Y. 4(-1) + (-1). now add... -5. -5 is greater than -6 which is a ordered pair we needed to make this true
What so you need to know?