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Geometry is an important subject and worksheets on the shapes will help your students tremendously! Ehow gives a run down on ways to use worksheets and hands on building/creation to teach some shapes in this website. http://www.ehow.com/info_7895921_3d-geometry-math-projects.html Here is a website with basic, beginning shapes (but for younger students they would be challenging). http://www.gradeamathhelp.com/free-geometry-worksheets.html Here is a website with lots of free geometry worksheets for highschoolers, including several with various shapes. http://www.letspracticegeometry.com/free-geometry-worksheets/
it doesn't
x2+7x-18 = (x-2)(x+9) when factored because -2*9 = -18 and 9x-2x = 7x