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

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Question

Factorise.

2x+ x − 45

Solution

\[\  2 x^2  + x - 45\] 

\[ =   2 x^2  + 10x - 9x - 45\] 

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

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

  Is there an error in this question or solution?

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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