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Mathematics 9 Online
OpenStudy (anonymous):

Simplify 2 [-3(x+4) +5x (x-5) ]

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

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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