Exercise 621.Add the followings:(a) 5x + 2x(c) 4p +(-5p) + 3pAdd the f – InterviewSolution

1.	Exercise 621.Add the followings:(a) 5x + 2x(c) 4p +(-5p) + 3pAdd the followings:(a) 2x^2 -4x + 6, 5x- 3x^2-1 and 3(b) 4a^2b +3b^2 - 5c^2+2, 4b^2 - 4a^2(b) 3y +(-4(d)(-2p) +2.
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