Question

.please solve this problem
fast



ple​

Answer 1

Step-by-step explanation:

a) Factorise:-

${m}^{2} + 10m - 600$

$= {m}^{2} + (30 - 20)m - 600$

$= {m}^{2} + 30m - 20m - 600$

$= m(m + 30) - 20(m + 30)$

$= (m + 30)(m - 20)$