Question

p(x)=5-4x+2xpower2 find x= -1 and -2​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

11 and 21

Step-by-step explanation:

$px=5-4x+2x^{2}\\= 5 - 4( - 1) + 2( - 1)^{2} \\ = 5 + 4 + 2 \\ = 11$

by -2

$px = 5 - 4x + 2x^{2} \\ = 5 - 4( - 2) + 2( - 2)^{2} \\ = 5 + 8 + 8 \\ = 21$