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Factorise. 5y2 + 5y − 10 - SSC (English Medium) Class 8 - Mathematics

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Question

Factorise.

5y+ 5y − 10

Solution

\[\  5 y^2  + 5y - 10\] 

\[ =   5 y^2  + 10y - 5y - 10\] 

\[ =   5y\left( y + 2 \right) - 5  \left( y + 2 \right)\] 

\[ = \left( 5y - 5 \right)\left( y + 2 \right)\] 

\[ = 5\left( y - 1 \right)\left( y + 2 \right)\]

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APPEARS IN

 Balbharati Solution for Balbharati Class 8 Mathematics (2019 to Current)
Chapter 6: Factorisation of Algebraic expressions
Practice Set 6.1 | Q: 4 | Page no. 30
Solution Factorise. 5y2 + 5y − 10 Concept: Factors of a Quadratic Trinomial.
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