Question

y^2 + 14y = 240 find the value of y

Answer 1

heyy!!
$y { }^{2} + 14y - 240 = 0 \\ y {}^{2} + 24y - 10y - 240 = 0 \\ y(y + 24) - 10(y + 24) = 0 \\ (y + 24)or(y - 10) \\ y = - 24or \: y = 10$
hope it help