Ответ: 1.2x^2 + 2x + 2 + 4 = 1*5^3 +1*5^2 { x > 2 }2x^2 + 2x + 6 — 150 = 0x^2 + x — 72 = 0(x + 9)(x — 8) = 0x = 82.4x^2 + 4x + 1 + 14 = 2*7^2 + 5*7 + 2 { x > 4 }4x^2 + 4x + 15 — 135 = 0x^2 + x — 30 = 0(x + 6)(x — 5) = 9x = 53.4(x+5) + 4 — 4*5 — 4 = 52 { x + 5 > 4 -> x > -1}4x + 24 — 24 = 52x = 13