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Mathematics 9 Online
OpenStudy (anonymous):

Explain, in your own words, the step-by-step process to simplifying the expression below. Include the simplified answer in your explanation. (6x2 − 5) − (3x2 + x + 7)

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (anonymous):

not really

OpenStudy (skullpatrol):

Do you know $$ -( a + b ) = (-1)(a+b)$$

OpenStudy (anonymous):

no nvr saw it

OpenStudy (skullpatrol):

You will need this property your solve your question

OpenStudy (skullpatrol):

It is normally given as $$-(a+b)=(-a)+(-b)$$ which can be derived from the above by using the distributive property.

OpenStudy (anonymous):

ok

OpenStudy (skullpatrol):

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