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 ( 99+ )
Otras preguntas
Melissa walked at a rate of 88 feet per minute. What was her approximate speed to the nearest tenth of a mile per hour.
Find the area of this trapezoid plz help
In which eukaryotic organelle are amino acids and fatty acids oxidized?
Why have there been few opportunities to study the arctic wolf?
dna relication occurs just before the process of ______
If ΔTOY≅ΔSTU, then what corresponding side is congruent to side US? (Enter your answer using the segment letters only.)
Which 20th century play addressed the issues behind the AIDS epidemic and it's impact on the gay community?
A triangle has one side which is 2 meters long and another side which is 5 meters long. Write a value that could be the length of the third side, in feet.
Who is the father of electricity?
A solution of HCl has a concentration of 1.20 x 10-2 M. What is the pH of this solution? pH = 1.20 pH = 11.2 pH = 1.92 pH = 2.33
