10 points, thanks.
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When y = 0,
0 = -x(x+2)^2 +16
x(x+2)² − 16 = 0
x(x²+4x+4) − 16 = 0
x³ + 4x² + 4x − 16 = 0
x = 1.39.
0 = -x(x+2)^2 +16
x(x+2)² − 16 = 0
x(x²+4x+4) − 16 = 0
x³ + 4x² + 4x − 16 = 0
x = 1.39.
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/the easiest way is too graph it and where the line crosses the x axis each time are the x intercepts