Factorising quadratics of the form ax^2 + bx + c | Maths | Quizalize & Oak National Academy

Algebraic manipulation

Factorising quadratics of the form ax^2 + bx + c

Starter quiz

Factorise the expression: $x^2 - x - 6$

'(x - 3)(x + 2)' ✓
Factorise the expression: $x^2 + 9x +20$

'(x + 4)(x + 5)' ✓
Factorise the expression: $x^2 - 4x + 4$

'(x-2)(x-2)' ✓
Factorise the expression: $x^2 - 25$

'(x - 5)(x + 5)' ✓
Factorise this expression: $x^2 - 6x + 9$

$(x - 3)^2$ ✓

$(x - 3)(x + 3)$

$(x+9)(x-1)$
Factorise the expression: $x^2 + 6x + 9$

$(x + 9)(x - 9)$

$(x + 3)^2$ ✓

$(x+2)(x+3)$

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