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Factorise x squared + 22x - 75

User Harsha
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1 Answer

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Answer:

(x +25)(x - 3)

Explanation:

Consider the factors of the constant term (- 75) which sum to give the coefficient of the x- term (+ 22)

The factors are + 25 and - 3, since

25 × - 3 = - 75 and 25 - 3 = + 22, thus

x² + 22x - 75 = (x + 25)(x - 3) ← in factored form

User Cramer
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