1) (2x - 5)^2 - (2x + 3) = 0Expanding the square:(4x^2 - 20x + 25) - (2x + 3) = 04x^2 - 20x + 25 - 2x - 3 = 04x^2 - 22x + 22 = 0
2) 9y^2 - 25 = 09y^2 = 25y^2 = 25/9y = ± 5/3
1) (2x - 5)^2 - (2x + 3) = 0
Expanding the square:
(4x^2 - 20x + 25) - (2x + 3) = 0
4x^2 - 20x + 25 - 2x - 3 = 0
4x^2 - 22x + 22 = 0
2) 9y^2 - 25 = 0
9y^2 = 25
y^2 = 25/9
y = ± 5/3