Question

Which is equivalent to the following expression (2x - 1) (x + 3) ?

A
2x2+7x−32x^{2}+7x-32x
2
+7x−3
B
2x2−5x+32x^{2}-5x+32x
2
−5x+3
C
2x2+5x2x^{2}+5x2x
2
+5x
D
2x2+5x−32x^{2}+5x-32x
2
+5x−3

Answer 1

(2x − 1)(x + 3) = 2x^2 + 6x − x − 3 = 2x^2 + 5x − 3

Matches choice D.