21. Factorise:
(a) x°-2x+-x+2 pls i whant answer
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Answered by
1
Answer:
-2
Step-by-step explanation:
(x-2x)+(-x+2)
x(1-2)-(x-2)
(x × -1)-(x-2)
-x-x+2
-2x+2
-2(1-1)
=(-2)
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