See how we can add or subtract two functions to create a new function. Just like we can add and subtract numbers, we can add and subtract functions. For example, if we had functions f and g , we …

In this lesson, you will practice adding and subtracting rational expressions with different denominators. You will use the least common denominator as your common denominator in these examples and …

This Arithmetic course is a refresher of place value and operations (addition, subtraction, division, multiplication, and exponents) for whole numbers, fractions, decimals, and integers.

In this topic, we will add and subtract whole numbers. The topic starts with 1+1=2 and goes through adding and subtracting within 1000. We will cover regrouping, borrowing, and word problems.

This topic covers: - Adding, subtracting, and multiplying polynomial expressions - Factoring polynomial expressions as the product of linear factors - Dividing polynomial expressions - Proving polynomials …

Sal introduces the logarithm identities for addition and subtraction of logarithms.

Precalculus Course: Precalculus > Unit 4 Lesson 7: Adding and subtracting rational expressions Intro to adding & subtracting rational expressions Adding & subtracting rational expressions: like …

Mar 15, 2021 · Addition, subtraction, and estimation Multiply by 1-digit numbers Multiply by 2-digit numbers Division Factors, multiples and patterns Equivalent fractions and comparing fractions Add …

You are correct... you can't simplify any further. The +7 is preventing any further reduction. We can only cancel factors (items being multiplied). Since the numerator contains addition, it prevents us from …

I am having problems deciding whether to use addition or subtraction formula with larger angles. For example, if the problem asks for cos (165) why can't I add 135 and 30?