Question

factorise ysquare-2y-15

Answer 1

$<b><marquee>Heya</marquee>$

${y}^{2} - 2y - 15 \\ \\ = {y}^{2} - 5y + 3y - 15 \\ \\ = y(y - 5) + 3(y - 5) \\ \\ = (y - 5)(y + 3)$


Hope this helps you.

Answer 2

y² - 2y - 15

= y² - 5y + 3y - 15

= y (y - 5) + 3 (y - 5)

= (y - 5) (y + 3)