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Lola53
a fost răspuns

x²-9y²+3x+9y=
ax+bx+ay+by=
ax-bx+ay-by=
a+ax+b+bx=
2x+2y+ax+ay=
-4x-4y+ax+ay=
x²+x-2x-2
AJUTOR

Răspuns :

Markkiraly20
[tex] x^{2} -9y ^{2} +3x+9y=(x+3y)(x-3y)+3(x+3y)

  ax-bx+ay-by=x(a-b)+y(a-b)=(x+y)(a-b)

  a+ax+b+bx=a(1+x)+b(1+x)=(a+b)(1+x)

  2x+2y+ax+ay=2(x+y)+a(x+y)=(2+a)(x+y)

  -4x-4y+ax+ay=-4(x+y)+a(x+y)=(-4+a)(x+y)

   x^{2} +x-2x-2=x(x+1)-2(x+1)=(x-2)(x+1)[/tex]

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