Answer:
Step-by-step explanation:
(4b^2+3)(4b^2-3)
since it is the expanded form of formula a^2-b^2=(a+b)(a-b) we can write,
=(4b^2)^2-(3)^3
=16b^4-9
Answer:
x=5ft
Step-by-step explanation:
3 is half of 6, so triangle DEF is half as big as triangle ABC. Hope this helps.
