Question

F(x)=3x2-15x-42 f(x)=5x2+50x+125

needs to be answered like this
f(x)=3(???)(???)
algebra

Answer 1

3(−7)(+2)

5(+5)²

Explanation:

f() = 3² - 15 - 42 = 3(−7)(+2)

f() = 5² + 50 + 125 = 5(+5)²

That is how you factor them. Hope this helps :)