Hello there!
Let's use foil.
First: 4x * 2x = 8x^2
Outside: 4x * -9 = -36x
Inside: -7 * 2x = -14x
Last: -7 * -9 = 63
Now, let's combine these.
8x^2 - 36x - 14x + 63
Finally, we can simplify this
8x - 50x + 63
I hope I helped!
Let me know if you need anything else!
~ Zoe
Slot method
10 choices for 1st slot
9 for 2nd
8 for 3rd
10*9*8=720
720 ways
Answer:
C) 60
Step-by-step explanation:
m ABC is 60 degrees
Quadratic equation x=-b+-√b²-4ac
---------------- x=ax²+bx+c
2a
a song to remember is : x equals opposite b plus or minus square root b squared minus 4ac all over 2a
-hoped it helped good luck
I can’t see it. It’s a bit blurry
