Liczę na najj
[tex]W_{1}=4x^{2} +3x^=10\\ \\W_{2}=-7x^{2} -9x+1\\ \\W_{3}=-3x^{2} -6X-9\\[/tex]
[tex]W_{1}+W_{2}=W_{3}\\ \\ 4x^{2} +3X-10+(-7x^{2} -9x+1)=-3x^{2} -6X-9\\ \\4x^{2} +3X-10-7x^{2} -9x+1=-3x^{2} -6x-9\\\\-3x^{2} -6x-9=-3x^{2} -6x-9[/tex]
fałsz
[tex]W_{1}-W_{2}=W_{3}\\ \\4x^{2} +3x-10-(-3x^{2} -6x-9)=-7x^{2} -9x+1\\4x^{2} +3x-10+3x^{2} +6x+9=-7x^{2} -9x+1\\7x^{2} +9x-1=-7x^{2} -9x+1\\L\neq P[/tex]
prawda
[tex]W_{1}+W_{3}=W_{2}\\ \\ 4x^{2} +3x-10+(-3x^{2} -6x-9_=-7x^{2} -9x+1\\ 4x^{2} -3x-10-3x^{2} -6x-9=-7x^{2} -9x+1\\x^{2} -3x-19=-7x^{2} -9x+1\\L\neq P[/tex]