Question

Re-write the quadratic function below in Standard Form
y = 3(x - 5)(x - 2)

Answer 1

3x² - 21x + 30

Explanation:

y = 3(x - 5)(x - 2) ← expand factors using FOIL

= 3(x² - 7x + 10) ← distribute parenthesis by 3

y = 3x² - 21x + 30 ← in standard form