Discover Questions

Is it possible our universe is the creation of a black hole in another universe and the big bang was a white hole? -288=-8 (5x+6)? Calculate the de Broglie wavelength of a 143-g baseball traveling at 89 mph.? How many kilometers in a meter? I need help with 2 unusual factoring problems. Problem 1: 4x^4+32x^3+47x^2-8x-12
Problem 2: x^6 - x^4 - x^2 + 1?