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Factorization Of Algebraic Expressions [NEW] — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsFactorization Of Algebraic Expressions [NEW]2 Marks
Question
Factorize the following expressions:
y3 + 125
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Answer

y3 + 125
= y3 + 53
$\therefore$ [a3 + b3 = (a + b)(a2 - ab + b2)]
= (y + 5)(y2 - 5y + 52)
= (y + 5)(y2 - 5y + 25)
$\therefore$ y3 + 125
= (y + 5)(y2 - 5y + 25)

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