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Mathematics 10 Online
Tonycoolkid21:

Simplify the expression: –2(–5 − 3t) =

HighIQReptilian:

What is it equal to?

HighIQReptilian:

0?

Tonycoolkid21:

wdym

HighIQReptilian:

There is an equal sign. What is it equal to?

HighIQReptilian:

By the way, this is the same as the other questions. -2*-5 and -2*-3t will give you the answer.

SmokeyBrown:

The reptile is correct sir. You can use the distributive property of multiplication, just like before.

Tonycoolkid21:

10-3t

Tonycoolkid21:

1 attachment
SmokeyBrown:

@tonycoolkid21 wrote:
10-3t
That's very close! Don't forget to multiply -2 by -3t as well to get the complete answer.

Tonycoolkid21:

k

Tonycoolkid21:

6t

SmokeyBrown:

Yes, that's right. So when you put it all together, you'll have your answer

Tonycoolkid21:

10-6t?

D4nniii:

no almost

Tonycoolkid21:

hel idk

Tonycoolkid21:

am stuck

HighIQReptilian:

A negative times a negative is positive :D

Tonycoolkid21:

1 attachment
Tonycoolkid21:

@highiqreptilian wrote:
A negative times a negative is positive :D
ik

D4nniii:

ok so a negative times a negative is a positive

SmokeyBrown:

So you multiplied -2 by -5 to get 10; then you multiplied -2 by -3t to get 6t. Putting 10 and 6t together would give you 10 + 6t, right?

Tonycoolkid21:

+10-6t

D4nniii:

so all u have to do is 10+6t and u have ur answer

HighIQReptilian:

Right but six should be + not -

Tonycoolkid21:

@d4nniii wrote:
so all u have to do is 10+6t and u have ur answer
k

Tonycoolkid21:

@highiqreptilian wrote:
Right but six should be + not -
k

SmokeyBrown:

You could have also thought of it like -2 times just 3t to get -6t, then you would put it together as 10 - (-6t). That still will give you the same answer in the end though, kind of a matter of preference

D4nniii:

right

Tonycoolkid21:

16

D4nniii:

no you already simplified the expression so ity would just be 10 + 6t

Tonycoolkid21:

k

D4nniii:

i hope i helped right and so did smokeybrown

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