Question

Verify whether the following are zeroes of the polynomial, indicated against them. p(x)= (x+1)(x-2), x=-1,2
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Answer 1

Step-by-step explanation:

$(x + 1)(x - 2) \\ x = - 1 \\ ( - 1 + 1)(1 - 2) = 0 \times - 1 = 0 \\ x = 2 \\ (2+ 1)(2 - 2) = 3 \times 0 = 0$