The roots of the equation 4(x^2-1)=-3x^2 are
a. imaginary
b. real, rational, equal
c. real, rational, unequal
d. ratonal, irrational, unequal

If you make you answer for clear i can answer it : )

Ap human geography and geometry

Use pythagorean’s theorem and find the missing side lengths of the two smaller triangles and add them together
13^2 - 12^2 = 5
15^2 - 12^2 = 9
5+9 = 14
14 is the length of each side of the square
14^2 + 14^2 = 19.8
19.8 is the diagonal length of the inside if the square