Question

(2-x)(x+2)+(x+3)la a doua =5​

Answer 1

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

$13 + 6x = 5 \\ 6x = 5 - 13 \\ 6x = - 8 \\ x = - \frac{4}{3}$

Answer 2

Răspuns:

4-X²+X²+6X+9=5 ;  6X=5-13 ;   4X=-8;   X=-8/2 ;   X=-4

Explicație pas cu pas: