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Factorisation of Polynomials — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsFactorisation of Polynomials2 Marks
Question
Factorise:
x2 + 11x + 30
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Answer

x2 + 11x + 30
= x2 + 6x + 5x + 30
= x(x + 6) + 5(x + 6)
= (x + 6)(x + 5)

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