Answer:
A. 25x+20x+4
Step-by-step explanation:
Rewrite (5x−2)2 as (5x−2 )(5x−2).(5x−2)(5x−2)
Expand (5x−2)(5x−2) using the FOIL Method.
5x(5x)+5x⋅−2−2(5x)−2⋅−2
Simplify and combine like terms.
Simplify each term.
25x2−10x−10x+4
Subtract
10x
from
−10x.25x2−20x+4b
