The given expression can be rewritten as $\frac{a}{4}x^{2}+\frac{b}{4…

Source Texts

Text

- 16 (5 x - 2)^{2} + 6 (5 x - 3)^{2}

The given expression can be rewritten as

\frac{a}{4} x^{2} + \frac{b}{4} x + \frac{c}{4}

, where

a

b

, and

c

are constants. What is the value of

a + b + c

-480

-240

-120

-30