Subtract the sum of x2−3xy−y2 and 2x2+5xy−4y2 from 6x2−7xy+8y2

Step-by-step explanation:

We begin with :

First, let us add the two portions within the brackets. To do this, we need to just combine the like terms

Next, we need to distribute the negative to all the terms within the brackets

Now we can combine the like terms again

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answer

step-by-step explanation:

use context clues to figure out the meaning of the bolded word:  

the sage gardener knew when she had to water her plants.  

question 8 options:

mint plant

wise

happy

lazy