Answer: I need points to give out for answers-
Step-by-step explanation:
Answer
1/4 × 6 × (5a) = 12
15a=12
a= 4/5
4x^2-25= (2x)^2-5^2=(2x-5)(2x+5)
Used: a^2-b^2=(a+b)(a-b)
Answer: i would say probably 3 or -3
I hope it helps