Answer:

1. (x+5)(x-5)

2. (2x+1)(x-8)

3. ?

4.?

Step-by-step explanation:

solution:.

1. (x+5)(x-5)

=x²-5²

=x²-5(5)

=x²-25

2. (2x+1)(x-8)

=2x²+x-16x-8

=2x²-15x-8

arigatou gozaimasu

Answer:

x2-25=(x-5)(x+5)

2x/2-15x-8=2(x2+60)

x2+30x75=x2+2250

x3-25=(x3-5)(x3+5)

Step-by-step explanation:

hope this would help for you.