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2)(5x-3) * (-2x+6) =-10x²+30x+6x-18=-10x²+36x-18
3)(4x²+3) * (2x-5) =8x³-20x2+6x-15
4)(8x-4) * (3x-6) =24x²-48x-12x+24=24x²-60x+24
5)(4x-4) * (2x-5) =8x²-20x-8x+20=8x²-28x+20
proszę bardzo:)
2)(5x-3) * (-2x+6) = -10x²+30x+6x-18
3)(4x²+3) * (2x-5) =8x³-20x2+6x-15
4)(8x-4) * (3x-6) =24x²-48x-12x+24
5)(4x-4) * (2x-5) =8x²-20x-8x+20