Question

Find the quadratic polynomial and verify the zeroes and coefficients of 5x^2+2x

Answer 1

Here is your answer
$5 {x}^{2} + 2x$
$5x(x + 2)$
$5x = 0 \\ x + 2 = 0 \\ x = 0 \\ x = - 2$

α+β=-b/a
0-2=-2/1
-2=-2

αβ=c/a
(0)(-2)=0/1
0=0

hope it helps