Tick (✓) the correct answer
Question:

Tick (✓) the correct answer:

4z2 − 8z + 3 = ?

(a) (2z − 1)(2z − 3)

(b) (2z + 1)(3 − 2z)

(c) (2z + 3)(3z − 1)

(c) (z − 1)(4z − 3)

Solution:

(a) (2z − 1)(2z − 3)

$4 z^{2}-8 z+3$

$=4 z^{2}-6 z-2 z+3$

$=2 z(2 z-3)-1(2 z-3)$

$=(2 z-1)(2 z-3)$

 

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