Posted in ՀԱՆՐԱՀԱՇԻՎ

Հանրահաշիվ (287, 290, 292, 294, 299, 300)

ա) C=3a2b
բ) C=7m3x2
գ) D=15x6y4, C=2y2
դ) D=2mn2,C=6mn6

ա) ax+ay+x+y
բ) 3m-3n+bm-bn
գ) 2ax-bx+2b-4a
դ) mx-2m-2a+ax
ե) 14x-6y-7ax+3ay
զ) 10ak-18ab-27cb+15ck

ա) x+y+x2+2xy+y2+x3+3x2y+3xy2+y3
բ) -a+3b-a2+6ab-9b2
գ) -2m-8n-am-4an+5bm+20bn
դ) 16x2-8xy+y2+4y-16x

ա) (2x-1)2
բ) (3a+1)2
գ) -(m+1)2
դ) -(n-3)2
ե) (x2-y)2
զ) (6a2-b2)2
է) (1/2m2-n3)2
ը) (1/10a3-5b2)2

ա) a2+2ab+b2-c2
բ) a2-2ab-b2-c2
գ) -4xy
դ) а2+2ab+b2-x2-2xy-y2
ե) -5x2+8xy-3y2
զ) -4m2n+12n2
է) a2+2ab+b2+2a+2b+1
ը) x2-4xy+4y2+4x-8y+4
թ) 4a2-4a+1
ժ) 25m2-30m+9

ա) (a+b)(2+x)
բ) (x-y)(a+3)
գ) (m-n)(m+a)
դ) (a+b)(5-x)
ե) (x-y)(a+1)
զ) (m-n)(m+2)
է) (a+5)(a2+5)
ը) x(x-3)(x2+3)

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