Question

(5-3x) elevado 2 8 ano

Answer 1

(5 - 3x)^2 =

(5 - 3x) . (5 - 3x) =

25 - 15x - 15x + 9x^2 =

25 - 30x + 9x^2

Answer 2

5-3x        2x          
-------  = ------- =    1
  2             2           

Answer 3

(5-3x)²
(5-3x)(5-3x)
Formula phml.
(x-y)ⁿ=
xⁿ+x×y×n+yⁿ
5²+5×(-3x)×2+3x²
25-30x+9x²