The product of (2x - 5)² can be written in the form az²+bx+c as follows:
(2x - 5)² = (2x)² - 2(2x)(5) + (5)²
= 4x² - 20x + 25
In this expression, a = 4, b = -20, and c = 25.
4.5m questions
5.9m answers