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 ...
To expand three brackets, expand and simplify two of the brackets then multiply the resulting expression by the third bracket. Expand and simplify \((x + 3)(x – 4)(2x + 5)\) First, expand and si ...