Step-by-step explanation:
(4x-5)(4x+5)
multiply each
4x×4x=16x^2
4x×5=20x
-5×4x= - 20x
-5×5= -25
16x^2+20x-20x-25
16x^2-25
Answer:
true
48559 if to the nearest whole number
48558.7 if to the nearest tenth
