Answer: 
Step-by-step explanation:
For this exercise it is important to remember:
- The Distributive property:
- The multiplication of signs:
Then, given the following expression:
You need to apply the Distributive property. Then:
Now you can combine like terms (or add the like terms). Then you get:
Therefore, the equivalent expression created by combining like terms, is:
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Answer:
Step-by-step explanation:
Here, the given expression is
Now, simplifying the brackets, we get
= 
Now, operate on the like terms.
= 
=
Hence, the given expression is simplified to the quadratic equation
Answer:
10 times larger
Step-by-step explanation:
I used my brain plus I learned it in 5th grade
<span>To regroup 378 x 6, you must first establish the place values of each digit. 3 has a place value of 300, because it is in the hundreds column; 7 has a place value of 70 because it is in the tens column; 8 has a place value of 8 because it is in the units column. This means you can regroup 378 x 6 as (300 x 6) + (70 x 6) + (8 x 6). This makes 2,268. </span>
