Question

subtact the second polynomial from first.

7a + 6b + 2c, 11a -3b -8c ...
PLss ... Help me ..

Answer 1

Subtract like terms

Answer 2

its that all ..

Answer 3

See here for what "like terms" means:
http://www.intmath.com/basic-algebra/1-addition-subtraction-algebra.php

Answer 4

oh ... Thanks You !!

Answer 5

So the answer is...

Answer 6

3x-1y

Answer 7

7a + 6b + 2c - ( 11a -3b -8c )
7a + 6b + 2c - 11a + 3b + 8c
7a-11a +6b+3b +2c+8c ( this means combining like terms )

so i think you can do it frm here . can you ?

Answer 8

\[7a -6b+2c -(11a-3b-8c)\]
Expand the brackets:
\[7a -6b+2c -11a+3b+8c)\]
Add / Subtract "like" terms:
\[-4a-3b+10c\]

Answer 9

@salehgeek its 7a + 6b + 2c not 7a - 6b + 2c

Answer 10

got it @sofia11 ?

Answer 11

Yes, your right:
\[7a+6b+2c−(11a−3b−8c)\]
Expand the brackets:
\[7a+6b+2c−11a+3b+8c\]
Add / Subtract "like" terms:
\[−4a+9b+10c\]

I'm on Windows, seriously need to upgrade to Linux

Answer 12

haha lol :P

Answer 13

did yu undrstnd this @sofia11 ?