Question

7 алгебра упражнение 32.8

(х-3)- в квадрате

1) (x+5)*6+(x-3)

Answer 1

$1)(x + 5) \times 6 + {(x - 3)}^{2} = 6x + 30 + {x}^{2} - 6x + 9 = {x}^{2} + 39$