Question

expand the following
(5m+6)²​

Answer 1

hey user !!

(5m)2 + (6)2 + 2.5m.6. since , (a+b)2 = a2+b2+2.a.b)

25m2 + 36 + 50 ...!!

hope this helps !

Answer 2

Statement:

To expand the following :

$\bold{(5m + 6)^{2} }$

Solution:

$\sf{ \: the \ \: identity \: used \: is \: } : \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \bold {\red {\underline {\underline{( a + b {)}^{2} \: = a ^{2} + {b}^{2} + 2ab}}}}$

$\sf( 5m \: + 6) ^{2} \\ \\ \sf = (5 {m)}^{2} + (6 {)}^{2} + 2 \times 5m \: \times 6 \\ \\ \sf \: = 25 {m}^{2} \: + 36 \: + \: 60 \: m$