(4x-7)(9x+1)=(9x+1)²
(4x-7)(9x+1)-(9x+1)² = 0
(9x+1)( (4x-7)-(9x+1)) = 0
(9x + 1)(-5x - 8) = 0
x₁ = -1/9
x₂ = -8/5
Объяснение:
(4x-7)(9x+1)=(9x+1)²
(4x-7)(9x+1)-(9x+1)² = 0
(9x+1)( (4x-7)-(9x+1)) = 0
(9x + 1)(-5x - 8) = 0
x₁ = -1/9
x₂ = -8/5
Объяснение: