Marian can weed a garden in 3 hrs. Robin can weed the same garden in 4 hrs. If they work together, how long will the weeding tak
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Sure. We have and
so the midpoint M is
Choice B
To factor we must first find <u>factors</u> of 35
The only factors of 35 are :<em> 5 & 7 </em>
-2x is what 5 and 7 make
but only if 7 is <u>negative </u>and 5 is <u>positive </u>
so our final factors are
(x - 7) (x + 5)
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For the second equation, were going to multiple the coefficient of ( which is 2 ) by 6
We get 12
What factors of 12 add up to 7?
<em>3 and 4 </em>
So our final factors are
(2x+3)(x+2)
