Answer:
3x (x² + x + 1)
You could write any trinomial like this
Answer:
please send a picture so I can see
(x-9)(x+7)=0
x-9=0 or x+7=0
x=9 or x=-7
:)
X is 90 degrees. If AB is the diameter, then it passes through the centre. X is 90 degrees because the angle in a semicircle is always a right angle.
I think john is 10 years old hope that helps.