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Mathematics 16 Online
OpenStudy (anonymous):

(9+2x)(7+2x) = 143 solve and find x=2

OpenStudy (anonymous):

x=-10 or 2

OpenStudy (anonymous):

can you please show me how you got that? :3

OpenStudy (anonymous):

after simplifying you get: 4x^2 + 32x - 80 solve this using the quadratic formula:

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