zadanie w załączniku
prosze o zrobienie przykładów od e do l (obliczenia też, a nie same odpowiedzi)
daje naj
e)
f)
i)
g)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
e)![w(x)= (4x^2-9)(x+1)+3(2x+3)\\=(2x-3)(2x+3)(x+1)+3(2x+3)\\=(2x+3)[(2x-3)(x+1)+3]\\=(2x+3)(2x^2+2x-3x-3+3)\\=(2x+3)(2x^2-x)\\=x(2x-1)(2x+3) w(x)= (4x^2-9)(x+1)+3(2x+3)\\=(2x-3)(2x+3)(x+1)+3(2x+3)\\=(2x+3)[(2x-3)(x+1)+3]\\=(2x+3)(2x^2+2x-3x-3+3)\\=(2x+3)(2x^2-x)\\=x(2x-1)(2x+3)](https://tex.z-dn.net/?f=w%28x%29%3D+%284x%5E2-9%29%28x%2B1%29%2B3%282x%2B3%29%5C%5C%3D%282x-3%29%282x%2B3%29%28x%2B1%29%2B3%282x%2B3%29%5C%5C%3D%282x%2B3%29%5B%282x-3%29%28x%2B1%29%2B3%5D%5C%5C%3D%282x%2B3%29%282x%5E2%2B2x-3x-3%2B3%29%5C%5C%3D%282x%2B3%29%282x%5E2-x%29%5C%5C%3Dx%282x-1%29%282x%2B3%29)
f)![[tex]w(x)=5(x^2-4)-(x-2)^2\\=5(x-2)(x+2)(x-2)(x+2)\\=(x-2)[5(x+2)-(x-2)]\\=(x-2)[5x+10-x+2]\\=(x-2)(4x+12) [tex]w(x)=5(x^2-4)-(x-2)^2\\=5(x-2)(x+2)(x-2)(x+2)\\=(x-2)[5(x+2)-(x-2)]\\=(x-2)[5x+10-x+2]\\=(x-2)(4x+12)](https://tex.z-dn.net/?f=%5Btex%5Dw%28x%29%3D5%28x%5E2-4%29-%28x-2%29%5E2%5C%5C%3D5%28x-2%29%28x%2B2%29%28x-2%29%28x%2B2%29%5C%5C%3D%28x-2%29%5B5%28x%2B2%29-%28x-2%29%5D%5C%5C%3D%28x-2%29%5B5x%2B10-x%2B2%5D%5C%5C%3D%28x-2%29%284x%2B12%29)
i)
g)![W(x)= x(9-x^2)-(x+3)^2\\=x[-(x^2-9)]-(x-3)(x+3)\\=x(x-3)(x+3)-(x-3)(x+3)\\=(x-3)[x(x3)-(x-3)]\\=(x-3)(x^2+3x-x-3)\\=(x-3)(x^2+2x-3) W(x)= x(9-x^2)-(x+3)^2\\=x[-(x^2-9)]-(x-3)(x+3)\\=x(x-3)(x+3)-(x-3)(x+3)\\=(x-3)[x(x3)-(x-3)]\\=(x-3)(x^2+3x-x-3)\\=(x-3)(x^2+2x-3)](https://tex.z-dn.net/?f=W%28x%29%3D+x%289-x%5E2%29-%28x%2B3%29%5E2%5C%5C%3Dx%5B-%28x%5E2-9%29%5D-%28x-3%29%28x%2B3%29%5C%5C%3Dx%28x-3%29%28x%2B3%29-%28x-3%29%28x%2B3%29%5C%5C%3D%28x-3%29%5Bx%28x3%29-%28x-3%29%5D%5C%5C%3D%28x-3%29%28x%5E2%2B3x-x-3%29%5C%5C%3D%28x-3%29%28x%5E2%2B2x-3%29)