Tentukan hasil penjumlahan dari: a. 2p + 3 dan 4p - 4 = b. (4p + 3q) dan (p + 5q) = c. (a - 3b + c) dan (3a + 2b - 5c) d. (4a2 - a + 3) dan (-7a + 5a - 2)

a. 2p+3 + 4p -4
= 2p+4p +3-4
= 6p -1

b. (4p +3q) + ( p+5q)
= 4p +3q +p+ 5q
= 4p+p +3q + 5q
= 5p +8q

c. (a -3b +c ) + (3a +2b -5c)
= a -3b+c +3a +2b -5c
= a+3a -3b +2b +c -5c
= 4a-b-4c

d. (4a^2 -a +3) +(-7a +5a -2)
= 4a^2 -a +3 -7a +5a -2
= 4a^2 -a-7a+5a+3-2
= 4a^2 -3a +1