Question

8
actorise the
z(z-1)+2(2-1)​

Answer 1

Answer:

z ( z - 1 ) + 2 ( 2 - 1 )

• z² - z + 4 - 2
• z² - z + 2
• z² - 2z + z + 2
• z ( z - 2 ) - 1 ( z - 2 )
• ( z - 1 ) ( z - 2 )