Question

Find the product of
i) (a+2) (a2-2a+4)​

Answer 1

a^3 + 2a^2 - 2a + 8

Explanation:

(a+2) (a2-2a+4)​

1. Multiply "a" times a^2, -2a, and 4

(a+2) (a2-2a+4)​ = a^3 - 2a + 4a

2. Multiply 2 times a^2, -2a, and 4

(a+2) (a2-2a+4)​ = a^3 - 2a + 4a + 2a^2 - 4a + 8

3. Add like terms

a^3 - 2a + 4a + 2a^2 - 4a + 8

a^3 + 2a^2 - 2a + 8