(m+3)2 = (5+x)2 = (6a+b)2 = (x-7)2 = (9-a)2 = (2a-3b)2 = (2m+9)(2m-9) = (2a+1)(2a-1) = (x4+3)(x4-3) = (a+1)3 = (4x+5)3 = (x-2)3 = (x2-3y)3 = (a+1)(a+2) = (a+2)(a+4) = (a+5)(a-2) = x2-2x+1 = x2-10x+25 = x8+18x4+81 = ( + )( - ) x4-81 = ( + )( - ) 25-36x4= ( + )( - ) 16-n4 = x2+5x+6 = x2+3x-10 = x2-13x+40 = x3+3a2+3a+1= x3-9x2+27x-27= |