3(4x+3) simplified as an expression is: 12x+9
... what is the question lol
A line is 180 so you subtract 126 with 180 and get 54. Since a Triangle angles all equal 180 together you add 54 and 43 and subtract 180 and the answer is 83
Answer:
q-u-a-d-r-a-t-i-c f-o-r-m-u-l-a
Step-by-step explanation: