Media Summary: Find two unknowns by the elimination method (by adding or subtracting Find two unknowns by the substitution method! It's exactly as it sounds, SUBSTITUTE one of the Find two unknowns by the elimination method. First MULTIPLY one (or both) of the
The Maths Prof Solve Simultaneous - Detailed Analysis & Overview
Find two unknowns by the elimination method (by adding or subtracting Find two unknowns by the substitution method! It's exactly as it sounds, SUBSTITUTE one of the Find two unknowns by the elimination method. First MULTIPLY one (or both) of the Learn how to add and subtract algebraic fractions that have different denominators. Second section of examples start at 5:49. How to factorise quadratics when there's a number in front of the x squared and you don't just want to guess! In this lesson I show you how to multiply 2x2 matrices.
How to find the determinant and the inverse of a 2 x 2 matrix.
