Question

Factor 5a^2-30a+45, and 2x^5+x^4-2x-1.

Answer 1

Explanation:

`{5a}^(2) - 30a + 45`

`5( {a}^(2) - 6a + 9)`

5(a-3)(a-3)

5(a-3)^2

`{2x}^(5) + {x}^(4) - 2x - 1`

X^4(2x+1) - (2x+1)

(x^4-1)(2x+1)

(x^2-1)(x^2+1)(2x+1)

(x-1)(x-1)(x^2+1)(2x+1)