9ns439dkpu 9ns439dkpu

04-02-2021
Mathematics

contestada

x2 + 4x - 9 = 5x + 3
O A. 4
O B. -3
O C. -7
O D. 5
E. -2
F-4

Respuesta :

04-02-2021

Answer:

[tex] {x}^{2} + 4x - 9 = 5x + 3 \\ {x }^{2} - x - 12 \\ {x}^{2} - 4x + 3x - 12 \\ x(x - 4) + 3(x - 4) \\ (x - 4)(x + 3) \\ x = 4 \: and - 3[/tex]

Answer Link

Otras preguntas

Search results for "2.3 times 6.9 and complete the problem 6.9 divided by 2.3! Answer the question: did you notice anything that connect these two problems?"

Hi how do you write the number 31 in Italian? Thanks need this answer tonight plz homework is due tomorrow

Can a camel survive in : Arctic , desert , town , forest and ocean?

germany has a land area of 134,835 square miles and a water area of 3,011square miles .what is the total area of Germany

Which rational number is greater? — 0.76 or 0.76? And why?

Trevor ran a hundred meter dash in 10.4 seconds what was his speed be in miles per hour at this rate round your answer to the nearest whole number

What ratios are equivalent to 9:2

What is the difference between federalism and separation of powers

How does oxygen enters the blood and is transported to the cells

-3x+25+x+21=2please explain the steps i'm really confused