Robert is doing his quadratics factoring worksheet when a drop of ink ruins part of his work.

The problem asks him to factor $-35-x+12 x^2$ and he has correctly figured out one of two factors: $(3x + 5).$ What must be the other factor?
Question:
Robert is doing his quadratics factoring worksheet when a drop of ink ruins part of his work.

The problem asks him to factor $-35-x+12 x^2$ and he has correctly figured out one of two factors: $(3x + 5).$ What must be the other factor?
Answer:
Let's think step by step.

user
(4x - 7)
Robert is doing his quadratics factoring worksheet when a drop of ink ruins part of his work.

The problem asks him to factor $-35-x+12 x^2$ and he has correctly figured out one of two factors: $(3x + 5).$ What must be the other factor?
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