zmalik8150 zmalik8150

21-12-2021
Mathematics

contestada

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]

Answer Link

Otras preguntas

The Antarctic Ice Sheet in the Southern Hemisphere _____. holds almost two-thirds of Earth’s fresh water contains almost one-fourth of the world’s ice is

Write this number in standard form. 4,000,000+3,000+50+2=

Find the circular permutation for 5 things taken 5 at a time. 120 24 1

Of all excavation hazards, _______ poses the greatest risk. a. a cave-in b. inhalation c. moving machinery

which of the following is a controllable risk factor of infectious diseases? drug abuse pollution air or heredity

What is 5/3 converted into a decimal?

What is straining over a bowel movement?

Which of these sentences includes an abstract noun in its context? a. The campers were yelling and waving at the helicopter circling above. b. Standing on third

which word in the sentence is the predicate adjective? before the storm, the farm horses seemed nervous. a. nervous b. seemed c. farm d. before

What is the greatest grievance that John Hancock had against the rule of the British crown? imposing British governors in the colonies taxation without represen