F freshr1 New member Oct 22, 2001 #3 IF "a" is a constant then you get : a(x-40)(x-40) a(x^2 - 80x + 1600) ax^2 -80ax + 1600a applying the simple power rule you get : 2ax - 80a Last edited: Oct 22, 2001
IF "a" is a constant then you get : a(x-40)(x-40) a(x^2 - 80x + 1600) ax^2 -80ax + 1600a applying the simple power rule you get : 2ax - 80a
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