Question

(×+2)la a 2-(×+3)la a2=9 (×-1)-4 (3×-2)-6

Answer 1

${(x + 2)}^{2} - {(x + 3)}^{2} =9(x - 1) - 4(3x - 2) - 6$

${x}^{2} + 4x + 4 - {x}^{2} - 6x - 9 = 9x - 9 - 12x + 8 - 6$

$4x - 6x - 9x + 12x = - 9 + 8 - 6 - 4 + 9$

$x = - 2$