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 ( 28+ )
Otras preguntas
A standard set of measuring cups includes all the following measurements EXCEPT ¼ cup 1/3 cup 1/8 cup 1 cup
The vertex form of h(x) = x2 – 14x + 6 is h(x) = (x – )2 – .
ww2, what was hitters favorite strategy
Suppose 360 nursing students took a certification test...
PLEASE HELP ME!!! I DONT KNOW HOW!! You will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting i
Why are media potentially so effective? A. The availability of computers at libraries has increased in the last decade. B. People are now able to view programs
IDENTIFYING SENTENCE STRUCTURES In the space provided, identify each of the following sentences by writing S for simple, CD for compound, CX for complex, or C
What mass of argon occupies 4.3 l at 70 kpa and 20 c?
120e^(2x)=75e^(3x) Please solve with steps
Oil-rich countries in the middle east cover about 4% of earth’s total land area but possess about 48% of the world’s known oil reserves. what is the main reason
