dmd
dmd
19-03-2015
Mathematics
contestada
what two numbers multiply to -105 and add to 8
Respuesta :
Аноним
Аноним
19-03-2015
a b=-105
a+b=8
x²+8x-105=0
x²+-7x+15x-105=0
x(x-7)+15(x-7)=0
(x-7)(x+15)=0
a=-7
b=15
Answer Link
VER TODAS LAS RESPUESTAS ( 11+ )
Otras preguntas
The Hittites in ancient times were able to conquer other civilizations in the Middle East because __________. other cultures were peaceful and non-aggressive th
A rectangular pyramid has 5 faces. How many triangles and how many rectangles form a rectangular pyramid?
Which statement correctly describes the U.S. Constitution when it became the law of the land in 1789? A. It was also known among the general public as Common Se
Separates substances on the basis of the boiling points of the substances a.filtration b.distillation c.crystallization d.chromatography
Who was the US president during World War I?
Which of the following dealt with the issue of slavery in land acquired as a result of the Louisiana Purchase? The Compromise of 1850 The Wilmot Proviso The Gre
Mark leaned a 12 foot ladder against the side of his house.The bottom of the ladder was 4 feet from the house. How far up the house was the top of the ladder?
How many cups are in 3 pt? Please show work!!!!
Faye and Andrew have written down the same negative number. Faye squares the number then multiplies by 2 and adds 4. Andrew multiples the number by 21 then subt
Complete the following analogy: Fort Sumter : The American Civil War :: ______ : _____ A. The finish line; a NASCAR race B. A house; a wall C. A tree; a branch
