Question

розв'яжіть (х-3)²-(х+3)² = 24 ​

Answer 1

Ответ:

${(x - 3)}^{2} - {(x + 3)}^{2} = 24 \\ x {}^{2} - 6x + 9 - {x}^{2} - 6x - 9 = 24 \\ - 12x = 24 \\ x = - 2$

Answer 2

Ответ:

$( x - 3)^{2} - (x + 3)^{2} = 24 \\ - 6 \times 2x = 24 \\ - 12x = 24 \\ x = 24 \div ( - 12) \\ x = - 2$