SSC (English Medium) Class 8Maharashtra State Board
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Factorise. 2x2 + X − 45 - SSC (English Medium) Class 8 - Mathematics

Factorise.

2x+ x − 45

Solution

$\ 2 x^2 + x - 45$

$= 2 x^2 + 10x - 9x - 45$

$= 2x\left( x + 5 \right) - 9\left( x + 5 \right)$

$= \left( 2x - 9 \right)\left( x + 5 \right)$

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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: 10 | Page no. 30
Solution Factorise. 2x2 + X − 45 Concept: Factors of a Quadratic Trinomial.
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