The table represents the multiplication of two binomials. a geometric model with 2 columns and 2 rows. the first column is labeled 3 x with entries a, c. the second column is labeled 5 with entries b, 10. the first row is labeled negative x with entries a, b. the second row is labeled 2 with entries c, 10. what is the value of a? negative 3 x negative 3 x squared negative 5 x negative 5 x squared