2(x-3)= -3(x+7)
2х-6=-3х-21
2х+3х=6-21
5х=-15
х=-15:5
х=-3
Y(7) = 5*7+1 = 36,
y(1) = 5*1+1 = 6.
y(7):y(1) = 36:6 = 6.
Ответ:
Объяснение:
область определения :x∈(-∞;-2)∪(2;+∞)
8a - 10 = 8*(-1/16) - 10 = -8/16 - 10 = -10,5
√4*√7- 2√2a 2√7-2√2a 2(√7-√2a) =____________=_______________= __________________=
5((√2a)²-(√7)²) 5(√2a-√7)(√2a+√7) <span> 5(√2a+√7) ( √2a-√7)</span>
<span> 2</span>
<span>=_________</span>
<span>-5(√2a+√7
</span>