Question

3. Subtract:
8xy

from 7xy
6 x - y +32 from 2z-x-3y
a
${?}^{2}$
+ b
${?}^{2}$
- 2ab from a + b²+ 2ab
d) x2 - y2 from 202
(x, y power​

Answer 1

Step-by-step explanation:

•7xy-8xy = -xy

•2z-x-3y-(6x-y+32)

2z-x-3y-6x+y-32

2z-7x-2y-32

•a²+b²+2ab-(a²+b²-2ab)

a²+b²+2ab-a²-b²+2ab

4ab