Verify the identity. cos(x + y) sin(x – y) = sinxcosx - sinycosy

Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11