Answer:
(x <em>+ 1 ) (2x-9)</em>
Step-by-step explanation:
Break The expression into groups
= (
Factor out 2x from
+ 2x: 2x (x + 1)
and then you want to factor out the -9x - 9 -9( x + 1 )
and that equals 2x( x + 1 ) 
And now do it again Factor out common term x + 1
and now it <em>" Equals" </em>
Answer:
34
Step-by-step explanation:
Substitute 2 for t in your formula
Answer:
Step-by-step explanation:

Answer: 6
Step-by-step explanation: as we already know, 45 is half of 90. So that means he is mowing 2 lawns in an hour. So in 6 hours he mows twice the amount.