👤
Cartemare
a fost răspuns

23.a)x la a3a-x=
b)2x-8x la a3a=
c)ax la a2a-ay la a2a=
d)x la a3a y-xy la a3a=
e)25 xy la a2a-9x la a3a=
f)-2x la a3+xy la a2a=

Răspuns :

Renatemambouko
a)x³-x=x(x²-1)=x((x+1)(x-1)
b)2x-8x³=2x(1-4x²)=2x(1-2x)(1+2x)
c)ax²-ay²==a(x-y)(x+y)
d)x³y-xy³=xy(x²-y²)=xy(x+y)(x-y)
e)25 xy²-9x³=x(25y²-9x²)=x(5y+3x)(5y-3x)
f)-2x³+xy²=xy²-2x³=x(y²-2x²)=x(y-x√2)(y+x√2)