video1.0<iframe src="https://www.loom.com/embed/e892778ee777424996a45a32b0fc327e" frameborder="0" width="960" height="720" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>720960Loomhttps://www.loom.com720960https://cdn.loom.com/sessions/thumbnails/e892778ee777424996a45a32b0fc327e-00001.jpg87p: 3x^2 - 5x +2 5x^2 -2x -6 Which of the following is the sum of the two polynomials shown above? a: 8x^2 - 7x -4 ; 8x^2 + 7x - 4 ; 8x^4 - 7x^2 - 4 ; 8x^4 + 7x^2 - 4 ;