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anonymous
 one year ago
Explain, in your own words, the stepbystep process to simplifying the expression below. Include the simplified answer in your explanation.
(6x2 − 5) − (3x2 + x + 7)
anonymous
 one year ago
Explain, in your own words, the stepbystep process to simplifying the expression below. Include the simplified answer in your explanation. (6x2 − 5) − (3x2 + x + 7)

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.2the first thing you do is remove the 2 parentheses removing the first one makes no difference to the contents. But removing the second one does. You have to distribute the negative over the contents of the second one. Its like multiplying the contents by 1. so we have (6x2 − 5) − (3x2 + x + 7) = 6x^2  5 3x^2 x  7 Note that 1 * x = x and 1*+7 = 7

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2Now you simplify like terms to do this you can bring the like terms together (though this is not essential) 6x^2  5 3x^2 x  7 = 6x^2  3x^2  x  5  7 = 3x^2  x  12

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2what is left is called a trinomial or a quadratic which can sometimes be factored . This one cannot be factored.

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2So this is the simplified form.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So the simplified form is 3x^2x12?
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