Question Simplify. 6y+3+3x2−y2−5x+2x2+3x+2y Responses 5x2−y2−2x+7y+3 5 x squared minus y squared minus 2 x plus 7 y plus 3 5x2−y2−2x+8y+3 5 x squared minus y squared minus 2 x plus 8 y plus 3 5x2−y2−8x+8y+3 5 x squared minus y squard minus 8 x plus 8 y plus 3 4xy2+6xy+3