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​Is 2(–2) + 6(2) equivalent to (–3)(–3) + (–1)(1)?

Algebra
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Is 2(–2) + 6(2) equivalent to (–3)(–3) + (–1)(1)?  

 

Let negative numbers be represented with a "–" symbol and positive numbers be represented by "+" symbol. 

 

Use a pictorial model to justify your answer.

Feb 11th, 2015

Is 2(–2) + 6(2) equivalent to (–3)(–3) + (–1)(1)?  

2(–2) + 6(2)= -4+12=8

(–3)(–3) + (–1)(1)= 9-1=8

the answer is yes

best me please

Feb 11th, 2015

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