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- Thread starter IslaIng
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The image is not visible. Can you reattach?

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@BigBeachBanana, you were never issued those special glasses?

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Sorry, am hoping it’s now attached.View attachment 36420

Okay; you've gotten to this point:

[imath]\qquad 2\sqrt{5\;} + 3\sqrt{5\;} - \sqrt{5\;}[/imath]

This means the same thing as:

[imath]\qquad 2\sqrt{5\;} + 3\sqrt{5\;} - 1\sqrt{5\;}[/imath]

What is the value of [imath]2 + 3 - 1[/imath]?

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Yes, it's correct as far as you have gone, but itSorry, am hoping it’s now attached.View attachment 36420

As has already been alluded to, you are showing addition & subtraction of like terms in your final line.

If you have 2 apples plus 3 oranges minus 1 lemon, that cannot be simplified any further. (You can't add apples to oranges).

But what if you have 2 bananas plus 3 bananas minus 1 banana? That

(And what if a banana was the 'equivalent' of \(\displaystyle \sqrt{5}\) ?)

You should then arrive at a final answer in the form of \(\displaystyle x\sqrt{y}\) (my preferred form) or simply \(\displaystyle \sqrt{z}\) if

Hope that helps.

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Are you sure about that? As recently as yesterday while shopping I added apples to my cart that had oranges in it.You can't add apples to oranges

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So what was in (and pushing?) the cart then?Are you sure about that? As recently as yesterday while shopping I added apples to my cart that had oranges in it.

(It could only be described as fruit!)