Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

The factors of the expression $2x^2 - 5x - 12$ are :

Options:

(x - 4) and (2x - 3)

(x + 4) and (2x + 3)

(x - 4) and (2x + 3)

(x + 4) and (2x - 3)

Correct Answer:

(x - 4) and (2x + 3)

Explanation:

 2x2 - 5x - 12 

= 2x2 - 8x + 3x - 12

= 2x(x - 4) + 3(x - 4)

= (x - 4) × (2x + 3)

Factors are (x - 4) and (2x + 3)