Which are solutions to the equation x3 – 5x2 + 2x + 6 = 0? Round each solution to the nearest tenth. Check all that apply.x = –0.9x = 0.8x = 1.7x = 4.2x = 6.0

Solving the cubic numerically gives roots of approximately −0.86, 1.68, and 4.18. Rounded to the nearest tenth, these are −0.9, 1.7, and 4.2, so the correct choices are x = −0.9, x = 1.7, and x = 4.2. The other listed values do not round to roots of the equation.

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