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Factorisation of Polynomials — MATHS STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9MATHSFactorisation of Polynomials2 Marks
Question
Factorise: $x^2 + 7x - 98$
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Answer

$x^2 + 7x - 98$
$= x^2 + 14x - 7x - 98$
$= x(x + 14) - 7(x + 14)$
$= (x + 14)(x - 7)$

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