Объяснение:
x₁ = 1.4
x₂ = 2.8
x₃ = 0.75
(5х – 7)(8х + 1) = (7 – 5х)
(5х – 7)(8х + 1) = 7 - 5x
5x(5х – 7)(8х + 1) = 7
5x = 7; 5x - 7 = 7; 8x + 1 = 7
x = 1.4; 5x = 14; 8x = 6
x = 2.8; x = 0.75
Объяснение:
x₁ = 1.4
x₂ = 2.8
x₃ = 0.75
Объяснение:
(5х – 7)(8х + 1) = (7 – 5х)
(5х – 7)(8х + 1) = 7 - 5x
5x(5х – 7)(8х + 1) = 7
5x = 7; 5x - 7 = 7; 8x + 1 = 7
x = 1.4; 5x = 14; 8x = 6
x = 2.8; x = 0.75