Pilne teraz rózłoż na czynniki wielomian metodą grupowania
w(x)=10x^3+15^2+8x+12
10x^3 + 15x^2 + 8x + 12
5x^2(2x+3) + 4(2x+3) = (5x^2+4)(2x+3)
w(x)=10x^3+15^2+8x+12 = 2x(5x² + 4) + 3(5x² + 4) = (5x² + 4)(2x + 3)
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10x^3 + 15x^2 + 8x + 12
5x^2(2x+3) + 4(2x+3) = (5x^2+4)(2x+3)
w(x)=10x^3+15^2+8x+12 = 2x(5x² + 4) + 3(5x² + 4) = (5x² + 4)(2x + 3)