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b. 5x^2 - x + 25x - 5
5x^2 + 24x -5
c. 14x - 49 - 4x^2 + 14x
4x^2 + 28x - 49
bantu ucapan terimakasih yaaaaaaaa????
lainkali berusaha mengerjakan sendiri!!!
20y - 100
B. (x + 5) x (5x - 1)
x ( 5x - 1) + 5( 5x-1)
5 x pangkat 2 - x + 25 x - 5
4x pangkat 2 + 25 x -5
29 x pangkat 3 - 5
C. (7 - 2x) x (2x - 7)
7 (2x - 7) - 2x (2x - 7)
14x - 49 - ( -4x) + 14x
14x - 4x + 14x - 49
24x - 49