Question

Таки надеюсь на вашу помощь я овощ

Answer 1

$1) \\ {(1 - 9)}^{2} = {(x + 4)}^{2} \\ {(x + 4)}^{2} = {8}^{2} \\ x + 4 = 8 \\ x + 4 = - 8 \\ x = 4 \\ x = - 12 \\ \\ 2) \\ {(1 + 2)}^{2} = {(x - 6)}^{2} \\ {(x - 6)}^{2} = {3}^{2} \\ x - 6 = 3 \\ x - 6 = - 3 \\ x = 9 \\ x = 3 \\ \\ 3) \\ {(1 - 6)}^{2} = {(x + 7)}^{2} \\ {(x + 7)}^{2} = {( - 5)}^{2} \\ x + 7 = 5 \\ x + 7 = - 5 \\ x = - 2 \\ x = - 12$