Հանրահաշիվ

ա)a(x+y)+b(x+y)=(x+y)(a+b)բ)a(x+y)-b(x+y)=(x+y)(a-b)

գ)2x(3p-q)-(3p-q)=(3p-q)(2x-1)

դ)m(x+y)-x-y=m(x+y)-(x+y)=(x+y)(m-1)

ե)n(x-y)-x+y=n(x-y)-(x-y)=(x-y)(n-1)

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

է)ac+ad-bc-bd=a(c+d)-b(c+d)=(c+d)(a-b)

ը)ac-cx+a-x=c(a-x)+(a-x)=(a-x)(c+1)

թ)ax-a+x-1=a(x-1)+(x-1)=(x-1)(a+1)

ժ)2ax-3bx-2ay+3by=x(2a-3b)-y(2a-3b)=(2a-3b)(x-y)

ի)ax-bx+cx+ay-by+cy=x(a-b+c)+y(a-b+c)=(a-b+c)(x+y)

լ)2ax-5ay+a-2bx+5by-b=a(2x-5y+1)-b(2x-5y+1)=(2x+5y+1)(a-b)ա)6a/4-9a2 + 1/3a-2=6a/(2-3a)(2+3a) + 1/3a-2=6a/(2a-3)(2+3a) – 1/2-3a==6a/(2a-3)(2+3a) – 2+3a/(2-3a)(2+3a)=6a-2-3a/(2-3a)(2+3a)=- (2-3a)/(2-3a)(2+3a)=-1/2+3a