New Zealand
Level 6 - NCEA Level 1

# Solve quadratics by factorisation of a common factor

## Interactive practice questions

Solve $x\left(x+6\right)=0$x(x+6)=0 for $x$x.

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

Easy
Approx a minute

Solve for $m$m:

$-3m\left(m+2\right)=0$3m(m+2)=0

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

$x\left(7x-12\right)=0$x(7x12)=0

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

$\left(x-7\right)\left(x-6\right)=0$(x7)(x6)=0

### 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