9. 1) (m+n)(m+n)=m^2+mn+mn+n^2=m^2+2mn+n^2 2) (p-q)^2=p^2-2pq+q^2 3) (c-d)^2=c^2-2cd+d^2 4) (2 + a)^2=4+4a+a^2 5) (3-b)^2=9-6b+b^2 6) (a + 5)^2=a^2+10a+25 7) (x+1)^2=x^2+2x+1 8) (3a — b )^2=9a^2-6ab+b^2 9) (5z + t)^2=25z^2+10zt+t^2 10) (a — 4)^2=a^2-8a+16 10. 1) (2a+ ?)2 = ?+ ?+ 25b^2 (2a+5b)^2=4a^2+20ab+25b^2 2) (?- 3x)^2 = 49y^2 — ?+ ? (7y-3x)^2=49y^2-42xy+9x^2 3) (?+ 5x)^2 = ?+ […]

Read More Միանդամներ և բազմանդամներ9-10