rissagoodwin
rissagoodwin
25-11-2017
Mathematics
contestada
Solve for x 4x^2+28x+49=0
Respuesta :
zrh2sfo
zrh2sfo
25-11-2017
4 x^2 + 28 x + 49 = 0
Divide both sides by 4:
x^2 + 7 x + 49/4 = 0
Write the left hand side as a square:
(x + 7/2)^2 = 0
Take the square root of both sides:
x + 7/2 = 0
Subtract 7/2 from both sides:
Answer: x = -7/2
Answer Link
VER TODAS LAS RESPUESTAS ( 87+ )
Otras preguntas
your teacher solved the equation 4x+1=22+x. unfortunately,due to messy handwriting you are not sure if the solution is 2,7,or8 describe how you can find the sol
Jason spent $18 on a shirt then he spent $24 and a pair pants what is the total amount he spent
order 2.614; 2.146; 2.46; 2.164 from least to greatest
What does the product of any whole-number factor multiplied by 100 always have ? Explain
where was Jennifer Collier born?
Which of the following is not true about Galileo? a. He was such a brilliant mathematician that he became a professor of mathematics at the age of 25. b. He dev
. Write the following expression in factored form using the greatest common factor. 50a3 + 10a2
Na jakie dwie części można podzielić utwór? Zwróć uwagę na czas opisywanych wydarzeń.
how many chromosomes will be left after meiosis
Bill works as a car salesman. Last week his total sales were $23,078.00, and he received $1,384.68 in commission. What is his rate of commission?
