Question

10X
from-7x4
5. Subtract:
(i) 5a + 7b - 2c from 3a – 7b + 4c
(ii) a - 2b - 3c from - 2a + 5b - 40
(iii) 5x² – 3xy + y2 from 7x2 – 2xy – 4y?
(iv) 6x - 7x2 + 5x – 3 from 4 - 5x + 6x2 - 8x®
(v) x3 + 2x²y + 6xy? - yº from ys - 3xy? – 4x’y
(vi) -11x²y² + 7 xy - 6 from 9x²y2 - 6xy + 9
(vii) -2a + b + 6d from 5a - 2b - 3c
+​

Answer 1

Hello ,

$here \: is \:the \: answer \: of \: your \: first \: question$

The required difference =(3a–7b+4c)−(5a+7b−2c)

The required difference =(3a–7b+4c)−(5a+7b−2c)=3a–5a–7b–7b+4c+2c

The required difference =(3a–7b+4c)−(5a+7b−2c)=3a–5a–7b–7b+4c+2c=−2a–14b+6c