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

A 1700 kg 2006 Mustang GT can accelerate from rest to 100 km/h in a time of 5.0 s. Determine the net amount of work that must be done on the car to cause this

Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.

I = {1, 2} List all possible subsets of the given set.

At the school carnival, Carmen sold 3 times as many hot dogs as Shawn. The two of them sold 152 hot dogs altogether. How many hot dogs did Carmen sell? 51382111

A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage?A. 8 volts

At the school carnival, Carmen sold 3 times as many hot dogs as Shawn. The two of them sold 152 hot dogs altogether. How many hot dogs did Carmen sell? 51382111

Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies neither inequalities

Round 13 513 to the nearest thousand

name 2 sound devices and what type they are from the song Where Is The Love by the Black Eyed Peas.

name 2 sound devices and what type they are from the song Where Is The Love by the Black Eyed Peas.