Выражение 1)(4xy³)² ,2y¹²)³ 3)(4ac²)³·(0,5a³c)² ²y⁴)⁴·(6x⁴y)² {2}{3}x²y³)³·(-9x⁴)² выражение 1)(2x+3y)(x-y)-x(x+y) 2)(3x+1)²-3x(3x+7) 3)4b(3b++5)(3b-5) 4)(y-4)²-(4+y)(y-4) 5)(b-3c)²-(b+3c)(3c-b)

1)(4xy³)²=16x²y^6
2)(-0,2y¹²)³=-0,008y^36
3)(4ac²)³·(0,5a³c)²=64a³c^6*0,25a^6c²=
16a^9c^8
4)(-x²y⁴)⁴·(6x⁴y)²=x^8y^16*36x^8y²=36x^16y^18
1)(2x+3y)(x-y)-x(x+y)=2x²-2xy+3xy-3y²-x²-xy=x²-3y²
2)(3x+1)²-3x(3x+7)=9x²+6x+1-9x²-21x=-15x+1
3)4b(3b+6)-(3b+5)(3b-5)=12b²+24b-9b²+25=3b²+24b+25
4)(y-4)²-(4+y)(y-4)=y²-8y+16-(y+4)(y-4)=
y²-8y+16-y²+16=-8y+32
5)(b-3c)²-(b+3c)(3c-b)=b²-6cb+9c²-(3c+b)(3c-b)=b²-6cb+9c²-9c²+b²=2b²-6cb