Question

2x^2+x-15 factorise algebraic expressions​

Answer 1

Answer:

$2 {x}^{2} + x - 15$

$2 {x}^{2} + 6x - 5x - 15$

$2x(x + 3) - 5(x + 3)$

$(2x - 5)(x + 3)$

#BAL

Answer 2

2x^2+x-15

= 2x^2+6x-5x-15 ( by middle term split factorisation)

= 2x( x + 3) -5(x+3)

= (2x-5)(x+3)

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