X 4 2 169 July 8, 2019 16 32 64 128 X 4 2 169 extracting square roots X 4 2 169 quadratic equation X 4 2 169 brainly X 4 169x 2 3600 X 4 26x 2 169 0 X 4 2 y − 10 2 169 X 7 2 y − 4 2 169 X 6 2 y − 4 2 169 X 2 13x 169 4 factor