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Ok, so when you multiply two negatives it equals a positive, right?

yeh

So, then how do you get 15 when multiplying 2 negative numbers?

no that is the question

Okay, how do you get 15 when multiplying 2 positive numbers?

5*3

So, since a negative times a negative is a positive, what are the numbers now?

thank you

Your welcome! ☺

And so, -5x-3= 15 and -3+-5= -8 !!

Is that all you need help with?

whose product is -6 and whose sum is +1

3*2

thanks you done it again

okay, so if you want those 2 numbers to have a sum of 1, which number do you turn negative?

good!

so -2x3 = -6 and -2+3 = 1

whose product is -12 and whose sum is -4

How can you get 12 when multiplying 2 positive numbers?

3*4

well, that and 2x6

thanks

So, which number do you turn negative to get a sum of -4?

-6

Good!

whose product is -12 and whose sum is -4

sorry wrong one

whose product is -16 and whose sum is 0

How do you get 16 when multiplying 2 positive numbers (that are the same) ?

thank you

Now you need to make 1 negative, and if you add -4 +4 what do you get?

what about 4-4

okay thank you but it says sum doesnt that matter

Sum is addition!

So it doesn't matter, but adding a negative is like subtracting a positive!

doesnt it not count as minus (because i heard my teacher say something like that)

okay

okay next q

What grade are you learning this in?

in the uk

Okay

What is that equivalent to in the us?

|dw:1362327623653:dw| +5x +6

Huh?

i dont know

|dw:1362327701244:dw|

factorrise

I don't know what your asking, please copy the question directly ☺

x squared +5x+6

What do you need to do with it?

factorise

okay.

http://www.mathsisfun.com/algebra/factoring.html read this, it may help you understand it better!

Did you read it?!

yes

Did it help?