examuyt examuyt

08-04-2020
Mathematics

contestada

Rewrite the equation by completing the square. x^2 +3 x -28 = 0

Respuesta :

teacherap026 teacherap026

08-04-2020

Answer:

(x+7)(x-4)

Step-by-step explanation:

First, write as a difference.

x^2+7x-4x-28

Factor by grouping. (shown below in image)

Ver imagen teacherap026

Answer Link

anohearn anohearn

08-06-2021

Answer:

[tex](x+\frac{3}{2}) ^{2} = \frac{121}{4}[/tex]

Answer Link

Otras preguntas

How do you use models to explain why 3.1 equals 3.10?

What is the quotient-8x^6/4x^-3

Calculate the change in velocity of a 0.070kg tennis ball hit by Serena with a force of 140 N over 0.020 s

What happens first time hen a bill is introduced in the house?

Find the product 8x5 1/2 Answers A. 40 1/2 B. 42 1/2 C. 44 D. 48 Evaluate 2/3x for x=3/4 Answers A. 1/2 B. 8/9 C. 9/8 D. 2

If a 250-foot #12 copper conductor has a resistance of 0.397 ?, how much is the resistance of the same conductor at 800 feet

Victor escorted [Edna] out upon the banquette, lifted her parasol, and held it over her while he walked to the car with her. He entreated her to bear in mind th

A 5 kg mass hangs at the end of a cord. Find the tension in the cord if the acceleration of the mass is 1.5 m/s/s.

In a sale, a table costing £160 is reduced in price by 25%. What is the new price? How do you work this out?

Europe is composed of 50 blank or self-governing States