Question

4m+3n-7m+5n=
a²b-3ab²-ab²+a²b+5a²b²=
4xy+2xz-3xz+5xz-yz=
3x+2-5x+4-2x+1
2-4x=3-5x
ayudaaaaaaaaaaaaaaa

Answer 1

4m+3n-7m+5n=

−3m+8n

a²b-3ab²-ab²+a²b+5a²b²=

5a²b²+3a²b+-4ab²

4xy+2xz-3xz+5xz-yz=

1×y + 7×z - yz

3x+2-5x+4-2x+1=

−4×+7

2-4x=3-5x=

×=1