For the equation

MATHEMATICS · Single correct · AoPS · Mathematics · Quadratic Equations - Part 1 · Quadratic Equations - Part 1

Problem

For the equation

2x^2 + 7x + 3 = 0

, which pair of numbers can the middle term

7x

be split into so that the equation can be factorised? (a)

2

and

3

(b)

1

and

6

(c)

-1

and

-6

(d)

1

and

7