Question

(1) (x2 - 5) (x + 5) + 25​

Answer 1

Answer:

Step-by-step explanation:Expand  

(

x

−

5

)

(

x

2

+

5

x

+

25

)

by multiplying each term in the first expression by each term in the second expression.

x

⋅

x

2

+

x

(

5

x

)

+

x

⋅

25

−

5

x

2

−

5

(

5

x

)

−

5

⋅

25

Answer 2

Step-by-step explanation:

x^3 +5x^2 -5x-25+25 = x^3 +5x^2 -5x = x(x^2+5x-5)