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OpenStudy (anonymous):
Simplify 2 [-3(x+4) +5x (x-5) ]
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OpenStudy (luigi0210):
Start by simplifying what's on the inside of the brackets.
OpenStudy (anonymous):
remove bracket after removing bracket you get 2(-3x+4+5x^2-25x)
OpenStudy (anonymous):
now multiply 2 -6x+8+10x^2-50x
OpenStudy (anonymous):
10x^2-56x+8
OpenStudy (anonymous):
now you solve for value of x
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OpenStudy (anonymous):
x= 1/5 (14+-4squareroot 11
OpenStudy (anonymous):
Wouldn't the correct answer be 10x^2 -56x -24?
OpenStudy (anonymous):
ok sorry for wrong ans
OpenStudy (anonymous):
No worries. I figured it out.
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