A = -50x² + 45x + 40 - 36=
-50x² + 45x +4
B = 8x²+6x -36x -27=
8x² -30x -27
C = 24x² + 4x -42x -7 =
24x² -38x - 7
D = 18x² +24x -30x -40 =
18x² -6x -40
E = 48x² -36x -48x +36 =
48x² -84x + 36
F = 60x² +20x -42x -14 =
60x² -42x +6
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Verified answer
A = -50x² + 45x + 40 - 36=
-50x² + 45x +4
B = 8x²+6x -36x -27=
8x² -30x -27
C = 24x² + 4x -42x -7 =
24x² -38x - 7
D = 18x² +24x -30x -40 =
18x² -6x -40
E = 48x² -36x -48x +36 =
48x² -84x + 36
F = 60x² +20x -42x -14 =
60x² -42x +6