tolong jawab yah plis dgn caranya

silahkan di cocokan salam kenal

1.
(2x-3)^2 = 5(2x-3)
4x^2 -12x + 9 = 10x - 15
4x^2 - 22x + 24 = 0
2x^2 - 11x + 12 = 0
(2x - 3)(x - 4) = 0
x = 3/2 atau x = 4

2.
y - 1/y = 3y/4
y^2/y - 1/y = 3y/4
y^2 - 1 = 3y^2/4
4y^2 - 4 = 3y^2
4y^2 - 3y^2 = 4
y^2 = 4
y = 2