Question

Solve by factorisation method:
a) 3m2 + 7m = 0​

Answer 1

Answer:

13m

3×2=6

3m2+7m= 13m

ok

Answer 2

Here we proceed !!

${{\colorbox{pink}{{\colorbox{lightble}{Answer}}}}}$

${\underline{\boxed{{\rm{3m}^{2} + 7m \: = 0}}}}$

Take m common from L.H.S

$m(3m + 7) = 0$

This means , we get two values for 'm'

Either m = 0 | 3m+7 = 0

$\bf\fbox\red{3m = - 7}$

$m = \frac{ - 7}{ \: 3}$

So , we get two values for m . from (1)

${{\colorbox{n}{{\colorbox{lightblue}{m = 0}}}}}$

or from (2)

$m = \frac{ - 7}{ \: 3}$

Hope this helps you to uttermost limit !!