Solve.

x² + 4x + 4 = 18

x=2±3√2

x=4±9√2

x=−2±3√2

x=−4±3√2

what are the solutions to the equation?

a2−10a+25=49

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.