Applying Quadratic Factorisation to Composite Expressions
Applying Quadratic Factorisation to Composite Expressions
Secondary 2
- Factorise \({{x}^{2}}+x-6\).
- Hence, factorise \({{\left( {{h}^{2}}+1 \right)}^{2}}+\left( {{h}^{2}}+1 \right)-6\) completely.
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Answer:(a) \((x + 3)(x - 2)\) (b) \((h^2 + 4)(h + 1)(h - 1)\)
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