Question

Решите уравнения
9x^2-100=0
(4y-3)^2-(2y+5)^2=0

Answer 1

9$x^{2}$ = 100
$x^{2}$ = 100\9
х = 10\3 = 3 1\3


$(4y - 3)^{2}$  =  $(2y + 5)^{2}$
4y - 3 = 2y + 5
2y = 8
y = 4