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L = p x l
= (3x+2) (2x-3)
= 6x²-9x+4x-6
= 6x²-5x-6
l= 2x - 3
luas persegi panjang :
p × l
(3x + 2)(2x - 3)
6x² - 9x + 4x - 6
6x² - 5x - 6