Expand 2a (4 + a)
To expand is just to multiply out. We will multiply everything inside the bracket by everything inside so it becomes
2a x 4 + 2a x a
Then we use bidmas to get:
8a + 2a^2
TC
To expand is just to multiply out. We will multiply everything inside the bracket by everything inside so it becomes
2a x 4 + 2a x a
Then we use bidmas to get:
8a + 2a^2
