Felixbros Felixbros
  • 07-12-2016
  • Mathematics
contestada

help me guys, please

help me guys please class=

Respuesta :

miriyu
miriyu miriyu
  • 07-12-2016
c^2 + 3c - 40 = 0

consider the factors of -40: ±40, ±1, ±8, ±5...those last two could work, if you pair them right. try:

(c + 8)(c - 5)

8 - 5 = 3 and 8*(-5) = -40 so there u go
Answer Link

Otras preguntas

The camera Melissa wanted for her birthday is on sale at 21% off the usual price. The amount of the discount is $79.80. What was the original price of the camer
Nucleic acids consist of nucleotides linked together with IONIC bonds true or false? Explain please?
(a.) what is the GCF of 33 and 42 using prime factors? (b.) what is the GCF of 72 and 30 by dividing by prime factors? (c.) what is the GCF of 27, 76, and 34 b
What does w = PleaE help
How did Henry David Thoreau inspire later American reformers?
How did militarism contribute to increased imperialism?
How did Henry David Thoreau inspire later American reformers?
In a recent, local taste contest testing Coke against Pepsi, it was found that 3∕5 of all people surveyed preferred the taste of Coke. If 7,500 people were in
in ancient times , coins made from gold and silver gradually replaced which commonly used means of exchange in commerce?
The first angle of a triangle is 17 degrees less than the second angle.the third angle of a triangle is six times the second angle.use x to represent the unknow