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- (Semester Exam Unit 1!)
The sides of an equilateral triangle measure (2x + 4) units. What is the perimeter?

- solve by using the quadratic formula:x2 plus x minus 2 equal 0I know the formula is a=1 b=1 c=2I'm having trouble solving
solve by using the quadratic formula:x2 plus x minus 2 equal 0I know the formula is a=1 b=1 c=2I'm having trouble solving...please help.