D. Simplify (-2) (-3)

Mathematics
Tutor: None Selected Time limit: 1 Day

Simplify :

A. (-2)(-3)

B. (-2)(3)

C. (2)(-3)

D.(2)(3)

Apr 16th, 2015

Basically we just multiply and put a plus or minus sign. 

If there is an even number of negative numbers, the answer is positive. If there is an odd number of negatives, the answer is negative.

A (-2) (-3) = -2 x  -3 = 6         ( two negatives  even  so answer positive)

B (-2) (3) = -2 x 3 = -6 (one negative odd  so answer nigative)

C (2) (-3) = 2 x -3 = -6   same as  B

D (2)(3) = 2 x 3 = 6   no problem here

Apr 16th, 2015

any problems or questions, contact me asap

Apr 16th, 2015

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