Whats the answer to this question

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Select the graph of the solution. click until the correct graph appears. |x| = 3

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.