Online worksheet · 4 of 4

Reverse a two-bracket expansion - Online practice 4

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Factorise x^2 + 4x - 5. For a monic quadratic, two integer bracket constants must sum to the x coefficient and multiply to the constant. Check by expanding, not only by one numerical substitution. An expression without an equals sign is not yet an equation to solve.

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