Express in simplest radical form. 7 x 8 7x 8 7 x 8 7x 8 7 x 4 7x 4 x 4 7 x 4 7 x 4 7 x x 4 7x

Your answer is 3.678953779×10to the power 17.

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graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.