1.
2.10х +5-9х-3=3
Х+2=3
Х=3-2
Х=1
3.
4. 36t²-12t+1-(36t²)
36t²-12t+1-36t²
37t²-12t-35
5.-(2p²g³)³*(5gp(в 8 степени))
-5*(2p²g³)³*gp8
-5*8p6g9gp8
-40g10p14
Больше не знаю
<em>x³-6x²-x+6=0</em>
<em>x²(x-6)-(x-6)=0</em>
<em>(x-6)(x²-1)=0</em>
<em>(x-6)(x-1)(x+1)=0</em>
<em>x₁=6; x₂=1; x₃=-1</em>
Cosx(2sinx-√2)=0
cosx=0⇒x=π/2+πn
sinx=√2/2⇒x=(-1)^n*π/4+πn
x=11π/4;5π/2;7π/2