(2,25-3,13+0,89)•x6*=0,01•x6*
(0,4-х)(0,4+х)
(12-7n)(12+7n)
(ab-c)(ab+c)
(pq-2k)(pq+2k)
25m²-10mn³+n⁶ = (5m - n³)² = (5m-n³)(5m-n³)<span>
4n³ ₓ 0,3n⁵ = 1,2</span>³⁺⁵ = 1,2n⁸<span>
x(2y-3x)-y(2x-4y) = 2xy - 3x</span>² - 2xy + 4y² = 4y² - 3x²<span>
(xy-3y)+(xa-3a) = y</span>(x-3) + a(x-3) = (x-3)(y+a)
<span>
(x-1)(x+1)-x(x-2)=0
x</span>² - 1- x² + 2x= 0
<span> 2x = 1
x = 1 : 2
x = 0,5
(x²-1²) </span>· (x-1)(x+1) = (x²-1²) · (x²-1²) = (x²-1)²
Y=x-∛x²
y`=1-2/3∛x=(∛x -2)/∛x=0
∛x -2=0
∛x=2
x=8
<span> критические точки функции x=8 U x=0</span>
_ +
___________________
8
min
(2^x)² - 5·2^x·2² +64 > 0
2^x = z
z² -20 z +64 > 0 ищем корни z1 = 16 и z2 = 4
2^x < 4 и z^x > 16
x< 2 x > 4