Step-by-step explanation:
1/20-1/4 ×<1/5-2/5×
<h3>collection of like terms</h3>
1/20+1/5 <-2/5×-1/4×
<h3>= 1/4 <-13/20×</h3>
Answer: The first one (A) f(x)= x (x-a)(x-b)²
Step-by-step explanation: Trust me, it’s right
Answer: B
Step-by-step explanation: I know