Simplify the following surd expression 9√3 - 4√3 + √5 + 2√5

5√3+3√5

Step-by-step explanation:

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We are given the surd expression:

If surds are same, we can combine them.

And we are done!

Wait, but if you do not get it, don't worry, I've got you!

So let's say that these surds are merging number, if two have same surds, they can combine with each others.

Story (Math Purpose / Learning)

9: Hey, 4! What surds do you have?

4: I have √3, what about you?

9: Same! I have √3 too!

4: That's great! We can now form a new value!

9 and 4 then fused and became new value, which was 5√3, came from 9-4 = 5 and them having surd of √3.

Meanwhile, with 5 and 1

2: 1, why are you invisible?

1: I thought no one could see me?!

2: I assume that we have same surds. Maybe this power of same surd allows me to see and fuse with you.

1: sighs Okay, let's fuse!

2 and 1 then fused and became a new value which was 3√5, came from 2+1 and them having surd of √5.

to find the unit price, we must figure out the cost of one item (in this case one dish towel).   to do this, we divide the total price ($7.92) by the number of items bought (for this problem it is 8, because there are eight dish towels in one pack).  

$7.92/8 = $0.99

therefore, the unit price, or the price of one dish towel, is $0.99.

hope this !

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step-by-step explanation: