Expanding brackets means multiplying everything inside the bracket by the letter or number outside the bracket. For example, in the expression \(3(m + 7)\) both \(m\) and 7 must be multiplied by 3 ...
Writing two brackets next to each other means the brackets need to be multiplied together. For example, \((y + 2)(y + 3)\) means \((y + 2) \times (y + 3)\). Expand ...