What are the roots of the quadratic equation 0 = 2x^2 + 12x –14?

What are the roots of the quadratic equation 0 = 2x^2 + 12x –14? 2, 12, –14 –7, 1 –1, 7 1, 6, –7 Can you explain what it is wanting or asking?

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: