Question

Разложение на множители
a^2-b^2+3(a-b)^2

Answer 1

(а² - b²) + 3(a-b)² = (a - b)(a + b) + 3(a - b)² = (a - b)(a + b + 3a - 3b) = (a - b)(4a - 2b) = 2(a - b)(2a - b)

Answer 2

= ( а^2 - b^2 ) + 3( a - b )^2 = ( a - b )•( a + b ) + 3•( a - b )^2 = ( a - b )•( a + b + 3a - 3b ) = ( a - b )•( 4a - 2b )