will give brainliest plz help asap this is my friends question and she needs It soon. Factorise these expressions

a. (x+19)(x+1)

b. (z-1)(z-1)

c. 3(2x-3)

Step-by-step explanation:

a. x^2+20x+19

(x+19)(x+1)

b. z^2-2z+1

(z-1)(z-1)

c. 9(x-1)-3x

9x-9-3x

6x-9

3(2x-3)

Would have said the same thing!

Step-by-step explanation:

My bad man! I was to late...

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