Question

(iv) p(x) = (x - 1)(x + 2); x = -1,-2​

Answer 1

Step-by-step explanation:

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

Answer 2

Answer:

I think is answer is √2

Step-by-step explanation:

2

X +2x-x-2

2-x-2

=x

2

=X. -x=2

x-x=√2