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

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Answer 1 · 2015-07-16T05:13:19

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

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

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

How do you factor completely: 10x^2 − 7x − 310x^2 − 7x − 3?