Question

Identify the value of (3x + 1) (4x - 1).
Options
M
O (12x2 - 1)
O (12x2 - x - 1)
o (12x2 + x - 1)
O (12x2 + 7x - 1)​

Answer 1

Answer:

option C

I hope this is helpful.

Answer 2

Answer:

$(3x + 1)(4x - 1) \\ 3x(4x - 1) + 1(4x - 1) \\ {12x}^{2} - 3x + 4x - 1 \\ {12x}^{2} + 1x - 1 \\ {12x}^{2} + x - 1$

option (c) is right.

hope it helps you dear....