Question

ПРЕОБРАЗУЙТЕ ТРЕХЧЛЕН В КВАДРАТ ДВУЧЛЕНА

Answer 1

$16t^2+24nt+9n^2=(4t+3n)^2\\81d^2+36dp+4p^2=(9d+2p)^2\\16b^2-56bc+49c^2=(4b-7c)^2\\a^2b^2-8abc+16c^2=(ab-4c)^2\\16b^4+24b^2c^2+9c^4=(4b^2+3c^2)^2\\b^8-14b^4c^2+49c^4=(b^4-7c^2)^2$