June 2022 1 7 Report
Usuń nawiasy i wykonaj redukcję wyrazów podobnych:
-(m-2)(m-1+)=
(6a2 + 2a + 1) - (-3a2 - 2a + 5)
- (2x2 + 4x – 3) + (-x2 -2x + 4)
5x + (2x - 7) - 9x - (-3x + 8) + 20 - 8x
7x - 3(5x - 2) - 6(-7 + 2x)
-5(3y - 7) + 2(6 - 4y) + 3y

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