GCSE Maths Practice: quadratic-equations

Question 8 of 10

Solve a quadratic by formula or factorisation.

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\( \text{Solve using the quadratic formula: } x^2 - 4x - 5 = 0 \)

Choose one option:

Check both roots in original equation after solving.

Equation factors as \((x-5)(x+1)=0\), giving x=5,-1.