Question 3
Factorise $x^{2}-3 x-10$
Answer
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Answer
\( \boxed{(x - 5)(x + 2)} \)
Steps
Step 1 ：Find two numbers that multiply to -10 and add to -3: (-5, 2)
Step 2 ：Rewrite the quadratic equation in factored form: \( (x - 5)(x + 2) \)
Step 3 ：\( \boxed{(x - 5)(x + 2)} \)
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