How to Factorise Quadratic Equations?
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If we factorise the quadratic, the equation can be written as (x − 5)(x + 3) = 0. ... as though if we could solve quadratic equations, we could factorise ...
- X2 − 12x + 35 = (x − 5)(x − 7): Write down the factors
- X2 − 12x + 35 = (x − 5)(x − 7): Write down the factorsX2 − 12x + 35: Strategy
- X2 − 12x + 35 = (x − 5)(x − 7): Write down the factorsX2 − 12x + 35: StrategyA = 1, B = −12, C = 35: Obtain the values of A, B and C by inspection
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