Question

Simplify

10m + – 8 + 9m + – 10m

Answer 1

9m-8

Explanation:

you need to group like terms and solve

Answer 2

9m - 8

Explanation:

We know that,

( - ) × ( - ) = ( + )

( + ) × ( + ) = ( + )

( - ) × ( + ) = ( - )

Accordingly, let us solve it now.

10m + ( – 8 ) + 9m + ( – 10m )

Solve the brackets.

10m - 8 + 9m - 10m

Combine like terms.

9m - 8