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a) x = 2
(2)² + 5(2) + p = 0
p = - 14
x² + 5x - 14 = 0
(x + 7)(x-2) = 0
x = - 7
b) x = 3
(3^2) +5(3) +p = 0
9 + 15 + p = 0
p = -24
x² + 5x - 24 =0
(x+8)(x-3)= 0
x = - 8
c) x = -6
(-6)² + 5(-6) + p = 0
36 - 30 + p = 0
p = -6
x² + 5x - 6 = 0
(x +6)(x-1)= 0
x = 1
d. x = -10
(-10)² + 5(-10) + p = 0
100 - 50 + p = 0
p = 50
x² + 5x +50 = 0
(x -5)(x +10) = 0
x = 5