Question

2a + 3b -a + 2b =
3m - 5n + 4m + 7n =
x² + 4x – 5x+x²=​

Answer 1

Respuesta:

2a + 3b -a + 2b =

2a-a +3b+2b=

a +5b

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

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

7m+2n

x² + 4x – 5x+x²=

x²+x²+4x-5x=

2x-x