Simplified form of 6m squared + 9m - 5m +4m squared

6m squared is 36. 9m - 5m + 4m squared is 64 m. They're both like terms, and so adding them together gives you, 100m.

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!