So what you do is distribute the invisible -1 in front of the second parenthasees set and add like terms
remember
x^2+3x^2=4x^2
-(3+4x-x^2)=-1(3x+4x-x^2)=-3-4x+x^2
so first distribute the negative 1
-1(-4f^2-3f+6)=4f^2+3f-6
add
12f^2-9f+15+4f+3f-6
group like terms
12f^2+4f^2-9f+3f+15-6
add
16f^2-6f+9
aswer is 16f^2-6f+9
R = -1/10x. Don't forget to rate and give me the brainliest answer! Then, I can help you with all your problems! ^-^ ~
<span> "At least 13 years" means more or equal 13,
so
x </span>≥ 13.<span>
</span>
Answer:
3
Step-by-step explanation:
| 6-3|
Find the value inside the absolute value signs
6-3 = 3
| 3|
Means take the non negative value
|3| = 3
Answer: The sash will have 20 diamonds when it is completed.
Step-by-step explanation:
Given: The length of American sash= 8 feet
Since, Joseph wants to add a diamond shape every 0.4 ft along the sash.
Therefore, the number of diamonds he will need to complete the sash= 
⇒ The number of diamonds he will need to complete the sash= 
Hence, the number of diamonds he will need to complete the sash= 20
