Expanding double brackets

Maths

Quadratic expressions (9.9)

Choose the word which best fills the gap: When we ________ double brackets every term in the first bracket must be multiplied by every term in the second bracket.

A rectangle has side lengths (x+4) and (x-3). Match the expression that would represent it's area.

Yasmin expanded (a + x + 3)(x + 2). Below are her workings out. Which expression matches the area of the rectangle she has created?

Cala says (x+2)(x+4) is the same as (x+4)(2+x). Is she correct?

Expanding double brackets

Lesson outcome