(2x*3x)+2x*4-3(3x)-3(4)
6x^2+8x-9x-12
6x^2-x-12
Method 1: you can convert it into a mixed number and simplify
Method 2: you can look at the whole number and that's going to be your first number. then you simplify the fraction. you add the whole number back with you simplified fraction. hoped this helped.
Answer:
Step-by-step explanation:
Step-by-step explanation:
sum of internal angles of any triangle = 180 degrees
sum of an exterior angle and an interior angle = 180 degrees
To add or subtract you do what you would normally do then put
the decimal in the answer
to multiply you multiply the numbers then add the demical places from both
numbers then put the decimal there