Expand.
if necessary combine like terms.
(x+5)(x-5)

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)

Write as a product of two polynomials. 2(3–b)+5(b–3)^2