Question

factorise (y square+5y)(y square
+5y-2)-24​

Answer 1

Answer:

=

$y ^{4} + 5y {}^{3} - 2y {}^{2} + 5y {}^{3} + 25y {}^{2} - 10y - 24 \\ = y {}^{4} + 10y {}^{3} + 23y {}^{2} - 10y - 24$

I think it's answer