Question

3. The factorisation of 4x² + 8x+ 3 is
a) (x+1)(x+3) b) (2x+1)(2x+3) c) (2x+2)(2x+5) d) (2x-1)(2x-3)

Answer 1

Answer:

b- (2x+1) (2x+3)

Step-by-step explanation:

$4x}^{2} + 8x + 3$

$4 {x}^{2} + 6x + 2x + 3$

$2x(2x + 3) + 1(2x + 3)$

$(2x + 1)(2x + 3)$