New Zealand
Level 6 - NCEA Level 1

# Solve by factorisation

## Interactive practice questions

Solve the following equation for $m$m:

$\frac{m}{6}\left(m-10\right)=0$m6(m10)=0

Write all solutions on the same line, separated by commas.

Easy
Approx 2 minutes

Solve for the two possible values of $x$x:

$\left(4x-17\right)\left(3x+11\right)=0$(4x17)(3x+11)=0

Solve the equation for $x$x:

$x^2+19x+90=0$x2+19x+90=0

Solve $x^2+6x-55=0$x2+6x55=0 for $x$x.

### 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