Ето 2,,, 4,,, 10,,,,,,,,,,,,,,,,,,
Y=-3x+4
y=5x-4
-3x+4=5x-4
8x=8
x=1
y=-3*1+4
y=1
Ответ:(1;1)
а) х<span>^4+х<span>^2+х^2+2=х^4+2х^2+2</span></span>
б) а^5-a^2-a^3+1
в) 3b^3-12+3b^4-12b
<span>г) 2y^4+4y^2-30y^2-60=2y^4-26y^2-60</span>
A + b = 25
a² - b² = 25 = (a-b)(a+b) = (a-b) * 25
a - b = 1
a = 1 + b
1 + b + b = 25
2b = 24
b = 12
a = 13