25х^2-10х+у^2=(5х+у)^2 х^4+4у^2+4х^2у= (x^2+2y)^2 64х^2-(х-1)^2=( 8x-(x-1))*(8x+(x-1))= (7x+1)*(9x-1)
25х²-10хy+у²=(5x)²-2*5x*y+y²=(5x-y)²
х⁴+4у²+4х²у=х⁴+4х²у+4у²=(x²)²+2*x²*2y+(2у)²=(x²+2y)²
64х²-(х-1)²=(8x-(x-1))(8x+(x-1))=(8x-x+1)(8x+x-1)=(7x+1)(9x-1)
25х^2-10х+у^2=(5х+у)^2
х^4+4у^2+4х^2у= (x^2+2y)^2
64х^2-(х-1)^2=( 8x-(x-1))*(8x+(x-1))= (7x+1)*(9x-1)
25х²-10хy+у²=(5x)²-2*5x*y+y²=(5x-y)²
х⁴+4у²+4х²у=х⁴+4х²у+4у²=(x²)²+2*x²*2y+(2у)²=(x²+2y)²
64х²-(х-1)²=(8x-(x-1))(8x+(x-1))=(8x-x+1)(8x+x-1)=(7x+1)(9x-1)