Answer:
4(2 - x)(2 + x)
Step-by-step explanation:
16 - 4x² ← factor out 4 from each term
= 4(4 - x²) ← difference of 2 squares
= 4(2 - x)(2 + x) ← in factored form
Answer:
29
Step-by-step explanation:
29
Answer:
Area of rectangle =

= 5x *( 5x -4)
=

Perimeter of rectangle = 2(l + b)
=2(5x +5x -4)
= 2(10x - 4)
= 20x - 8
I'm sorry hun, i suck at math. If i knew how i would help you. Have you tried looking it up?
Answer:
x > 48/5 the first one is false