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(2x² - 6x + 1x - 3)
2x² - 5x - 3
a = 2
b = -5
c = -3
= ((2x×x)+(2x×(-3))+(1×x)+(1×(-3)))
= (2x² + (-6)x + x + (-3)
= 2x² -5x -3
a=2
b=-5
c=-3