One of the solutions to x2 - 2x - 15 = 0 is x = - 3. What is the other solution?

Ox=-5

Ox = - 1

0 x=1

x = 5

What is the simplified answer? 13x + 6 - 8x - 2

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Find the percent of error if the estimate is $230 and the actual amount is $245. round to the nearest whole percent.