Question

How do you factor completely: `10x^2 − 7x − 3`?

Answer 1

Factor: `y = 10x^2 - 7x - 3`

y = (x - 1)(10x + 3)

Explanation:

Since (a + b + c) = 0, use the shortcut. One factor is (x - 1) and the other is (-c/a = 3/10).
`y = 10(x - 1)(x + 3/10) = (x - 1)(10x + 3)`