Substitute -3 to x
(-3)^2 + 4(-3) + 1
9 - 12 + 1
= -2
Answer:
3m-3n
Step-by-step explanation:
We want to simplify the expression;
2m - [n - (m - 2n)].
We expand the parenthesis to obtain;
2m - (n - m + 2n)
2m - ( - m + 3n)
Expand further to get;
2m +m -3n
Combine the first two terms;
3m-3n
Answer:
32 students are in the class.
Step-by-step explanation:
8 * 4 = 32
<em><u>Hope this helped! Have a nice day! Plz mark as brainliest!!! :D</u></em>
<em><u>-XxDeathshotxX</u></em>
Answer:
Step-by-step explanation:
because interior angles are equal with parallel lines
The answer would be C = -73x + 360.