Answer:
4 [ ( x - 5) ( x + 5) ]
Step-by-step explanation:
4x²-100
4 (x²-25)
4 (x²-5²)
4 [( x - 5) ( x + 5)]
Seven dollars
A ) P=6n+18 where N is the number of triangles. There's always two '9's and the 6 is based on how many triangles there are.
i can't understand it as well
think the answer is x=6+sqrt0/2 x=6-sqrt0/2 both equaling into 3.
But I might be wrong.
