Question

Factorise

$4z^{2} - 6z + 9$
​

Answer 1

Answer:

$4z^{2}-(3+3)z+9$

$4z^{2}-3z-3z+9$

$z (4z-3 )-3 (z-2)$

Answer 2

Answer:

this equarion have no real roots as putting it in the formula underroot bsquare - 4ac

underroot36 - 144

as its value comes negative

te equation has no real roots