<span> 7a*a⁴ -2a²*3a³+4a⁵=
7a</span>⁵-6a⁵+4a⁵=5a⁵
<span> (2a²)³/3a*4a³=
</span>2a⁶/12a⁴=a²/6
X=3+y
(3+y)ˇ2-yˇ2=5, 9+6y+yˇ2-yˇ2 =5,6y=5-9,6y=-4,y=-2/3
x=3-2/3=7/3
T(7/3, -2/3/
<span>(4x-5)(x+3)=(2x-3)^2
4x^2+12x-5x-15=4x^2-12x+9
4x^2-5x-4x^2+12x+12x=9+15
19x=24
x=24/19</span>
A + 9x/a : ax + 9x^2 / a^2 = a +9/a^2 + 9x^2 / a^2 при а = -99, х = -66
-99 + 9/(-99)^2 + 9 * (-66)^2 / (-99)^2 = -99 + 1/1089 +4 = -95 + +1/1089 = -93 1088/1089
X^2-6x+5=0
x^2-2*3*x+3^2-4=0
(x-3)^2-4=0
x-3=2 x=5
x-3=-2 x=1