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Mathematics 21 Online
OpenStudy (anonymous):

(WILL FAN) Algebra

OpenStudy (anonymous):

Amit and Tiana simplified the expression minus 4 open square brackets 8 space plus space left parenthesis minus 6 right parenthesis space plus 3 close square brackets in different ways. Amit's first step was to add the three numbers within the brackets. Tiana's first step was to multiply each of the numbers within the brackets by -4.

OpenStudy (anonymous):

A. Write an expression to represent Tiana's first step. In the expression, show which numbers are being multiplied together, but don't find each of the products. B. What should Tiana have written as the product when she multiplied -6 by -4? C. Whose first step was correct -- Amit's or Tiana's? Explain in complete sentences with proper grammar.

OpenStudy (anonymous):

Umm, do you have the equation in numbers, or is it just in words?

OpenStudy (anonymous):

Darn, I messed something up. The equation is -4[8+(-6)+3]

OpenStudy (anonymous):

so the first thing you do is distribute the -4 upon every number inside the brackets!

OpenStudy (anonymous):

My main problem is question C, who was actually correct?

OpenStudy (anonymous):

Look at my previous reply, the first thing you do is distribute the negative 4, who distributed the negative 4 tiana or amit?

OpenStudy (anonymous):

Tiana, thank you. Um, the equation for A however, I am confused about as well.

OpenStudy (anonymous):

ok so you arent solving it, you are just setting up the problem, so you distribute the negative 4 to every thing inside the brackets and you get three mini equations!

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