zmalik8150 zmalik8150

21-12-2021
Mathematics

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a) Factorise 2x² - 9x - 5 (x-5)(2x+1) (2)
b) Hence, simplify fully 2x^2- 9x - 5 3x – 15x (2)

a Factorise 2x 9x 5 x52x1 2 b Hence simplify fully 2x2 9x 5 3x 15x 2 class=

Respuesta :

xenia168 xenia168

21-12-2021

Answer:

Step-by-step explanation:

b).

2x² - 9x - 5 = ( x - 5 )( 2x + 1 )

3x² - 15x = 3x ( x - 5 )

[tex]\frac{(x-5)(2x+1)}{3x(x-5)}[/tex] = [tex]\frac{2x+1}{3x}[/tex]

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