Hfruit
09.02.2021 •
Mathematics
Factorise these expressions
a.
b.
c.
Solved
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Ответ:
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)
Ответ:
Step-by-step explanation: