1)ab-8a+3b-24
2)-ab-2a-8b-16
3)4x+32-x^-8x=32-x^-4x
4)x^-5x-7x+35=x^+13x+35
5)6x-2x+18x-6=22x-6
6)a3-a^-3a+2a^-2a-6=a3+a^-5a-6
7)2y^+5y-2y-5=2y^+3y-5
8)3a^-18a+5a+30=3a^-13a+30
9)(-6x-2)(5x+1)=-30x-6x-10x-2=-46x-2
10)y^+3y+2y+6-y^-y=4y+6
у (-2,5)= 4*(-2,5)- 30=-10-30=-40
5sin2x-2sinxcosx+cos2x=4
5sin2x - sin2x + cos2x = 4
4sin2x + cos2x = 4
x = pi/4 + 2pi*n где n целие числа