Difference of two squares

Maths

Quadratic expressions (9.9)

Which expression is equivalent to a² - b² ?

Match the expression equivalent to (x+4)(x-4).

Match the expression equivalent to (x+9)(x-3).

Which calculation would work out 64² - 4² ?

Match the expression equivalent to (x+25)-(x-25).

Match the expression equivalent to (73+x)(73-x).

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?

This lesson will be removed by end of Summer Term 2025.

Difference of two squares

Lesson outcome

This lesson will be removed by end of Summer Term 2025.