# Algebra

Monomial multiplication
• Author: julioprofe
• Transcriptionist: Transcriptor.net

We are going to multiply these two monomials (3x²y³).(-2x⁶y⁹z).

Subtraction of polynomials - Exercise 3
• Author: julioprofe
• Transcriptionist: Transcriptor.net

We are going to subtract two polynomials, in this case we have a binomial as minuend and a trinomial as subtrahend.

Sum of polynomials - Exercise 2
• Author: julioprofe
• Transcriptionist: Transcriptor.net

We will do an exercise of adding polynomials that, as we see, both have three terms, that is, they are trinomials.

Sum of polynomials - Exercise 1
• Author: julioprofe
• Transcriptionist: Transcriptor.net

We are going to make the sum of two polynomials, to be more exact, it is two trinomials.

Numerical value of a polynomial - Exercise 3
• Author: julioprofe
• Transcriptionist: Transcriptor.net

We will find the numerical value of this 4-term polynomial when 'a' takes the value minus -4 and 'b' takes the value minus -1.

Numerical value of a polynomial - Exercise 2
• Author: julioprofe
• Transcriptionist: Transcriptor.net

We are going to find the numerical value of a 5-term polynomial, which depends on the variable x when that letter takes the value -2.