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
the correct answer is 3/5
Answer:
x=0.8
-5x + 4= 0
-4 -4
-5x=-4
÷5
-x=-0.8
