drewwilson07
drewwilson07
04-04-2016
Mathematics
contestada
Factorise and Solve
Respuesta :
Panoyin
Panoyin
04-04-2016
x² + 8x - 20 = 0
x² + 10x - 2x - 20 = 0
x(x) + x(10) - 2(x) - 2(10) = 0
x(x + 10) - 2(x + 10) = 0
(x - 2)(x + 10) = 0
x - 2 = 0 or x + 10 = 0
+ 2 + 2 - 10 - 10
x = 2 or x = -10
The answer is B.
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
HELP ME IM DYIING HEREEEE!
(3x+2)(4x-5) foil method
a group of scouts camping at the lake shore hoisted their flag flew towards land and at night the flag flew towards the sea though there was no wind explain the
2. Choisir une image à traiter et la sauvegarder dans le même dossier que le code Python à télécharger du Doc. 4. Lancer le programme et expliquer à quoi il ser
Sale 70% OFF! Gwen wants to buy a laptop computer. The original price is $720. What is the sale price?
We eat so that we may live change into simple
2. State the relationship between Agriculture an 1 industries.
For the graph whose function is shown, find f(0).
What is the slope of (-8,1) (6,8)
Please help. Im so lost.
