X2-8x+21 = x² - 8x + (8/2)²- <span><span>(8/2)²</span> + 21
</span>
<span>= (x² - 8x + 16 ) - 16 + 21
= (x - 4)²+ 5
</span>
Answer:
explanation:
the "g" refers to the opposite side of angle G
First solve for angle E:
E + 60° + 45° = 180°
E = 180° - 105°
E = 75°
Then using sine rule:
Answer:
1,2
Step-by-step explanation:
3+-1=2
2/2=1
3+1=4
4/2=2
Answer:
It is an integer(yes)
Step-by-step explanation:
It is a whole number that is negative.
Answer:
7x65 is 455
Step-by-step explanation:
I need more info if this does not workout...