This video explains how to use the remainder theorem to determine if a binomial is a factor of a given polynomial.

# factor

# Factor a Trinomial with A not 1 Using Trial and Error: 12x^2+11x-36

This video explains how to factor a trinomial in the form ax^2+bx+c when a is not 1 and no common factors other than 1.

# Factor a Trinomial with A not 1 Using Trial and Error: 6x^2+7x-20, 8x^2-42x+27

This video explains how to factor a trinomial in the form ax^2+bx+c when a is not 1 and no common factors other than 1.

# Factor a Trinomial with A not 1 Using Trial and Error: 7a^2+18a-40, 3x^2-23x-36

This video explains how to factor a trinomial in the form ax^2+bx+c when a is not 1 and no common factors other than 1.

# Factor a Trinomial with A not 1 Using Trial and Error: 5n^2+14n+8, 7x^2-28x+40

# Simplify Trig Expression: Quotient with Sines and Cosines and Double Angle

This video explains how to simplify or change for form of a trigonometric expression to select and equivalent expression or determine a trigonometric identity.

# Simplify Trig Expression (cos x)^4-(sin x)^4

This video explains how to simplify or change for form of a trigonometric expression to select and equivalent expression or determine a trigonometric identity.