= p × l
= (x + 5)(2x - 3)
= (x.2x) + (x.-3) + (5.2x) + (5.-3)
= 2x² - 3x + 10x - 15
= 2x² + 7x - 15 cm²
= 2(p + l)
= 2(x + 5 + 2x - 3)
= 2(3x + 2)
= 6x + 4 cm
@BeruangGemoy :•
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= p × l
= (x + 5)(2x - 3)
= (x.2x) + (x.-3) + (5.2x) + (5.-3)
= 2x² - 3x + 10x - 15
= 2x² + 7x - 15 cm²
= 2(p + l)
= 2(x + 5 + 2x - 3)
= 2(3x + 2)
= 6x + 4 cm
@BeruangGemoy :•