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 ( 37+ )
Otras preguntas
70 dm + 3 m = how many m?
Lauren jogs at a rate of 2 miles every 2/5 hour what is her unit rate ? A . 0. 4 mi/h B . 2 mi/h C . 5 mi/h D . 10 mi/h
most drugs are you eliminated in the urine true or false
How did the police respond to protestors at the democratic national convention in 1968?
How do media impact learning when showing people shaking hands to greet each other
one strategy for an effective introduction is to tell an anecdote. true or false
How did geography influence trade in the Tamil kingdoms?
Which religion considers the epic poem about krishna one of the most important texts?
which of the following is not part of the setting? a. the location where the story occurs b. the time period during which the story takes place c. the situation
Subtract the shortest length from the longest. 0.81m, 1.08m, 0.8m, 180cm, 18cm
