wykonaj działanie: 4(2x-3)(x-2)-3(x+3)(x-5)
(8x-12)(x-2)-(3x+9)(x-5)=8x^2-16x-12x+24-3x^2+15x-9x+45= 5x^2-22x+69
4(2x-3)(x-2)-3(x+3)(x-5) =
(8x-12)(x-2)(-3x-9)(x-5)=
8x^2-16x-12x+24-3x^2+15x-9x+45=
5x^2-22x+69
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(8x-12)(x-2)-(3x+9)(x-5)=8x^2-16x-12x+24-3x^2+15x-9x+45= 5x^2-22x+69
4(2x-3)(x-2)-3(x+3)(x-5) =
(8x-12)(x-2)(-3x-9)(x-5)=
8x^2-16x-12x+24-3x^2+15x-9x+45=
5x^2-22x+69