PLEASE HELP need to pass this test

Which of the binomials below is a factor of this trinominal? x^2-13+30

Iwill give brainliest only if your correct the words subsequent and submerge both contain the prefix sub. based on this information, what does the prefix sub most likely mean? a) under or secondary b) true or verifiable c) tricky or difficult d) around or centered on

What two criteria are needed for triangles to be similar