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Mathematics 8 Online
OpenStudy (anonymous):

Someone help me with a question for a medal?

OpenStudy (anonymous):

Choose the correct simplification of the expression -3x2(5x - 4x2 - 6). -7x4 + 2x3 - 9x2 12x4 - 15x3 + 18x2 12x4 + 15x3 + 18x2 -12x4 + 15x3 - 18x2

OpenStudy (anonymous):

the right choice will be b

OpenStudy (anonymous):

Thanks. Could you tell me how you got that answer?

Nnesha (nnesha):

multiply every single term which is inside the parentheses by outside term

Nnesha (nnesha):

|dw:1432425468637:dw|

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