Question

1. Разложите на множители:
а) 8ах² - 8ау²
b)18m² - (2+3m)²
СРОЧНОООООО
50 БАЛОВ!

Answer 1

$\displaystyle\bf\\1)\\\\8ax^{2} -8ay^{2} =8a(x^{2} -y^{2} )=8a(x-y)(x+y)\\\\\\2)\\\\18m^{2} -(2+3m)^{2} =(3\sqrt{2}m)^{2} -(2+3m)^{2} =(3\sqrt{2} m-2-3m)(3\sqrt{2} +2+3m)$