Solve for the roots in simplest form by completing the square:
2x^2+20x-14=0

with work

(40 points) i need some . an answer definition is appreciated as well.

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The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z