p(x) = (x + 1) (x - 2), x = - 1, 2
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Step-by-step explanation:
step 1
p(x) = (x+1)(x-2)
P(-1) = (-1+1)(-1-2)
= (0)(-3)
= 0
step 2
p(x) = (x+1)(x-2)
p(2) = (2+1)(2-2)
= (3)(0)
= 0
p(-1) =0
p(2) = 0