Га Галина 126(х-2) + 126(х+2) = 16(х+2)(х-2) 63 * {(x-2) + (x+2)} = 8*(x+2)(x-2) 126x^2 = 8*(x^2 - 4) 118x^2 = 32 x^2 = 32\118 = 16\59 x = +- V(16\59)