p = 2x + 3
l = x + 2
K = 2p + 2l
= 2(2x+3) + 2(x+2)
= 4x + 6 + 2x + 4
= 6x + 10
L = p x l
= (2x + 3)(x + 2)
= 2x² + 4x + 3x + 6
= 2x² + 7x + 6
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p = 2x + 3
l = x + 2
K = 2p + 2l
= 2(2x+3) + 2(x+2)
= 4x + 6 + 2x + 4
= 6x + 10
L = p x l
= (2x + 3)(x + 2)
= 2x² + 4x + 3x + 6
= 2x² + 7x + 6