16x^2 = (4x)^2, \quad 25 = (5)^2, \quad -40x = 2(4x)(-5)
Related Articles
- Thus, the minimum time predicted by the model is $ \boxed{4} $.
- Question: Factor the expression $ 16x^2 - 40x + 25 $ completely.
- Check if the trinomial is a perfect square trinomial:
- This confirms the expression is of the form $ a^2 - 2ab + b^2 = (a - b)^2 $:
- 16x^2 - 40x + 25 = (4x - 5)^2
- Thus, the factored form is $ \boxed{(4x - 5)^2} $.
