Please help me to answer those questions

[-/1 Points] DETAILS SPRECALC7 3.4.046. MY NOTES ASK YOUR TEACHER Find all the real zeros of the polynomial. Use the quadratic formula if necessary, as in Example 3(a). (Enter your answers as a comma-separated list. Enter all answers including repetitions.) P(x) = 2x4 - x3 - 10x2+ 3x + 10 X = [-/1 Points] DETAILS SPRECALC7 3.4.050.MI. MY NOTES ASK YOUR TEACHER Find all the real zeros of the polynomial. Use the quadratic formula if necessary, as in Example 3(a). (Enter your answers as a comma-separated list. Enter all answers including repetitions.) P(x) = X - 6x4 - x3+ 16x2+ 6x - 4 X =