Question

if x 2 is a root of the polynomial f (x)= 2x^2-3x+7a. Find a​

Answer 1

Step-by-step explanation:

I think it will help you

Answer 2

Answer:

$given \: polynomial \: that \: 2 {x}^{2} - 3x + 7a \\ f |x| = 2 {x}^{2} - 3x + 7a \\ f |2| = 2 |4| - 3 |2| + 7a \\ = 8 - 6 + 7a = 0 \\ = 2 + 7a = 0 \\ a = \frac{ - 2}{7} \\ hope \: its \: will \: help \: u \\ answer \: by \: kalan \: danz$