1 answer:
Use the butterfly method: you need to find two numbers that add up to a times c = 15 times -2 = -30, and the same two numbers need to add up to -7.
These two numbers are -10 and 3.
(-10)(3) = 30 and -10 + 3 = -7
Factored form: ( x - 10 )( x + 3 )
You might be interested in
Answer:
ture
Step-by-step explanation:
Read the article and review the phases of mitosis.
Mitosis
Answer:
25
Step-by-step explanation:
The number that needs to be added is the square of half the x-coefficient:
(-10/2)^2 = 25
_____
Adding that gives ...
(x -5)^2 = 32
x = 5 ± 4√2
Cara's brother is 7 years old.
14 is twice as much as 7 (7 * 2 = 14).
Answer:
60.0735651 degrees
Step-by-step explanation:
So the hypotenuse is 50 and the vertical leg is 13
For the angle, you need to find the sine (opposite and hypotenuse)
sin(x) = 13/50
x = asin(13/50)
x = 60.0735651
