What is the product of (x + a) and (x +

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

What is the product of (x + a) and (x + b)?

Options:

$x^2 + (a + b) x + ab$

$x^2 + (a - b) x + ab$

$x^2 + (a + b) x - ab$

$x^2 + (a - b) x - ab$

Correct Answer:

$x^2 + (a + b) x + ab$

Explanation:

The product of (x + a) and (x + b)

= x(x + b) + a(x+b)

= x² + bx + ax + ab

= x² + (a + b)x + ab