Question

2. a) (x-4) ²-6 = (2+ x)






​

Answer 1

$\displaystyle\bf\\\Big(x-4\Big)^{2} -6=\Big(2+x\Big)\\\\x^{2} -8x+16-6-2-x=0\\\\x^{2} -9x+8=0\\\\D=(-9)^{2} -4\cdot 8=81-32=49=7^{2} \\\\\\x_{1} =\frac{9-7}{2} =1\\\\\\x_{2} =\frac{9+7}{2} =8\\\\\\Otvet \ : \ 1 \ ; \ 8$

Answer 2

Ответ:

(8; 1)

Объяснение: