Question

simplify ( 2a + 3b + 5c ) ² - ( 2a - 3b + 5c ) ²


please give me long solution​

Answer 1

Answer:

formula (a+b+c)2=a2+b2+c2

Answer 2

Step-by-step explanation:

${x }^{2} - {y}^{2} = (x + y)(x - y)$

is the required formula.

where

x= 2a+3b+5c

and

y=2a-3b+5c

Ans: 24ab+60bc