a) x²-2x+1 = (x-1)²
b) 9x²-24x+16 = (3x-4)²
c) 3x²-2√6+2 = (x√3 - √2)²
x²-16 = (x-4)(x+4)
25x²-36 = (5x-6)(5x+6)
2x-4y+10z+12t= 2(x-2y+5z+6t)
5(2x-3)-x(2x-3)= (2x-3)(5-x)
=√150[tex] x^{4} [/tex]y²-√24x²[tex] y^{4} [/tex]+√96x³y³=
=[tex] x^{4} [/tex]y²5√6-x²[tex]y^{4} [/tex]2√6+x³y³2√23=
=x²y²(x²5√6-y²2√6+xy2√25)
= 2(x+1)(2√7x²+4√7+9√3)