Question

5y² + 5y -10 answer step by step

Answer 1

$\mapsto \bf {5y}^{2} + 5y - 10 \\ = \rm {5y}^{2} + 10y - 5y - 10 \\ \rm = 5y(y + 2) - 5(y + 2) \\ \rm = (y + 2)(5y - 5) \\ \tt \therefore \: \: y = ( \red{- 2}) \: \: \: or \: \: \: \: \: \frac{5}{5} \: \: \: i.e. \: \: \red1$