Simplify -2a-9b-6a-5b-7a-12b-2a-3b-4c-

= 2a 9b [6a 5b+{7a 12b (2a 3b 4c)}]0ex0ex= 2a 9b [6a 5b+{7a 12b (2a 3b+4c}] (on removing the bar) 0ex0ex= 2a 9b [6a 5b+{7a 12b 2a+3b 4c}] (on removing ...

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Byju's Answer

Standard XII

Mathematics

Special Integrals - 2

Simplify :2a-...

Question

Simplify :
$2 a - 9 b - [6 a - 5 b + \{7 a - 12 b - (2 a - \bar{3 b - 4 c)}\}]$

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Solution

$= 2 a - 9 b - [6 a - 5 b + \{7 a - 12 b - (2 a - \bar{3 b - 4 c)}\}] = 2 a - 9 b - [6 a - 5 b + \{7 a - 12 b - (2 a - 3 b + 4 c\}] (o n r e m o v i n g t h e b a r) = 2 a - 9 b - [6 a - 5 b + \{7 a - 12 b - 2 a + 3 b - 4 c\}] (o n r e m o v i n g t h e p a r e n t h e s e s) = 2 a - 9 b - [6 a - 5 b + 7 a - 12 b - 2 a + 3 b - 4 c] (o n r e m o v i n g t h e c u r l y b r a c k e t) = 2 a - 9 b - 6 a + 5 b - 7 a + 12 b + 2 a - 3 b + 4 c (o n r e m o v i n g t h e s q u a r e b r a c k e t) = - 9 a + 5 b + 4 c$

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Simplify :2a-9b-6a-5b+7a-12b-(2a-3b-4c)¯

=2a-9b-6a-5b+7a-12b-(2a-3b-4c)¯=2a-9b-6a-5b+7a-12b-(2a-3b+4c(onremovingthebar)=2a-9b-6a-5b+7a-12b-2a+3b-4c(onremovingtheparentheses)=2a-9b-6a-5b+7a-12b-2a+3b-4c(onremovingthecurlybracket)=2a-9b-6a+5b-7a+12b+2a-3b+4c(onremovingthesquarebracket)=-9a+5b+4c

Simplify :
$2 a - 9 b - [6 a - 5 b + \{7 a - 12 b - (2 a - \bar{3 b - 4 c)}\}]$