bonjour
4(2x-3)²-(x+2)²
=[2(2x-3)-(x+2)] [2(2x-3)+(x+2)]
=(4x-6-x-2)(4x-6+x+2)
=(3x-8) (5x-4)
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bonjour
4(2x-3)²-(x+2)²
=[2(2x-3)-(x+2)] [2(2x-3)+(x+2)]
=(4x-6-x-2)(4x-6+x+2)
=(3x-8) (5x-4)