lawlerkennedy
lawlerkennedy
27-04-2017
Mathematics
contestada
How do i factor s^2+9s=-20
Respuesta :
choco4
choco4
27-04-2017
to factor you have to do this:
s^2 + 9s = -20
+ 20 +20
s^2 + 9s + 20 = 0
now you need to numbers that multiplied give you 20
and then those same 2 numbers have to add to 9
5 x 4 = 20
5+ 4 = 9
(x + 4) (x+ 5)
that means that x= -4, and -5
Answer Link
VER TODAS LAS RESPUESTAS ( 68+ )
Otras preguntas
What’s the difference between bipolar disorder and manic depression???
PLEASE HELP! What is the value of x? A. 125 B. 40 C. 75 D. 55
Jamie needs to divide a 140lb bag of dog food into 12 bags with the same amount of dog food in each bad. How many will each bag of dog foo weigh?
How did the industrial revolution change society during the gilded age?
Michael is competing in the long jump event. When he approaches the long jump pit, he jumps with an initial vertical velocity of 40 ft/s. How long is Michael in
A.J.is a minority who is walking his dog in a city that has an ordinance to make sure people clean up after their dogs. Of course A.J. has never seen this ordin
what is 0.8 / 0.552
Yohanna is conditioning all summer to be fit for the next soccer season at his high school. he incorporated walking planks into his daily workout regime.Each da
The function y=−0.25x+0.7 represents the percent y (in decimal form) of battery power remaining x hours after you turn on a laptop computer. Identify the x and
Please help and thank you
