Factor: $x ^ { 2 } - 3 x - 10$
A) (x +2)(x +5)
B) (x-2)(x +5)
C) (x-2)(x-5)
D) (x +2)(x - 5)

Name: Factor: $x ^ { 2 } - 3 x - 10$ A) (x +2)(x +5) B) (x-2)(x +5) C) (x-2)(x-5) D) (x +2)(x - 5)
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Question

Factor: $x ^ { 2 } - 3 x - 10$
A) (x +2)(x +5) 
B) (x-2)(x +5)
C) (x-2)(x-5) 
D) (x +2)(x - 5)

Quizplus · Accepted Answer

To factor this trinomial, we need to find two numbers that multiply to give -10 and add to give -3. These two numbers are -5 and 2, therefore the factored form is (x +2)(x - 5).

Factor x2−3x−10x ^ { 2 } - 3 x - 10x2−3x−10

Factor $x ^ { 2 } - 3 x - 10$