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2p-1-5p-3
-3p-4
2x²-3x dengan x²-1
2x²-3x - (x²-1)
2x²-3x - x²+1
2x²--x² - 3x +1
x²-3x+1
a. 2p-1 dan 5p+3
:(5p+3) - (2p-1)
: 5p+3-2p+1
:3p+4
b. 2x²-3x dan x²-1
:(x²-1) - (2x²-3x)
:x²-1-2x²+3x
:x²-2x²-1+3x
:x²-1+3x