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Solving Equations

How do you solve? please show steps
1) Solve x^2 + 7x = 18
2) Solve x^2 = 13
3) Solve 3x^2 - 1 = 47
4) Solve by factoring left side first x^2 + 4x + 4 = 25
5) Solve by factoring left side first x^2 - 10x + 25 = 3
6) Complete the square x^2 - 12x
7) Complete the square x^2 - 2x = 8
8) Complete the square x^2 - 5x = -6
9) Solve by using quadratic formula x^2 + 2x - 4 = 0
10) Solve by using quadratic formula x^2 - 3x - 10 = 0

Solution Summary

Ten equations are solved. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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