Answer:
x^4 -2x^2 -24
Step-by-step explanation:
(x^2+4)(x^2−6)
FOIL
First: x^2*x^2 = x^4
Outer: x^2 *-6 = -6x^2
Inner: x^2 *4 = 4x^2
Last: 4*-6 = -24
Add them together
x^4 -6x^2 +4x^2 -24
Combine like terms
x^4 -2x^2 -24
This is in standard form since the powers decrease
1. 16
2. 10
3. ?
4?
for 3 and 4 I think you use a protractor
Hello!
Answer:

Step-by-step explanation:
Distributive property: →→ a(b+c)=ab+ac
Order of operations stands for:
↓
Parenthesis
Exponent
Multiply
Divide
Add
Subtract
*Left to right*
Please Excuse My Dear Aunt Sally!
First, you remove parenthesis.
6j+8j+5+5
Then, you add by the numbers from left to right.
6+8=14
14j+5+5
5+5=10
<u><em>14j+10 is the final answer.</em></u>
Hope this helps!
Have a nice day! :)
:D
-Charlie
Thanks!