Question

y3-27 solve this problem factories

Answer 1

hello mate!......


given..........


$y {}^{3} - 27 \\ \\ y {}^{3} - 3 {}^{3} \\ \\ we \: know...... \\ \\ a3-b3=(a-b)(a2+ab+b2) \\ \\ y {}^{3} - 3 {}^{3} = (y - 3)(y {}^{2} + 3y + 9)$
hope it helps u dear.......