NZ Level 6 (NZC) Level 1 (NCEA)
Expand further binomial expressions

## Interactive practice questions

Expand and simplify the following:

$\left(a+9\right)\left(b-6\right)$(a+9)(b6)

Easy
Approx a minute

Expand the following using binomial expansion:

$\left(x+5\right)\left(x+7\right)$(x+5)(x+7)

Expand and simplify the following:

$\left(4r+7\right)\left(7s+2\right)$(4r+7)(7s+2)

Expand and simplify the following:

$\left(2n+5\right)\left(5n+2\right)-4$(2n+5)(5n+2)4

### Outcomes

#### NA6-5

Form and solve linear equations and inequations, quadratic and simple exponential equations, and simultaneous equations with two unknowns

#### 91027

Apply algebraic procedures in solving problems