Over a million students use our free study notes to help them with their homework
X2+3X+5X+15
Take the first X in the first bracket and multiply by every number or letter in the second bracket.
Take the Second number in the first bracket and mu...
It is important we first define what we mean by an odd and even number. An even number is any integer (whole number) number divisible by 2 so we can express any even number as 2x...
a^2 + b^2 = c^2
First things first, we have to decide what type of equation this is, so we can choose how to deal with it. If it were linear (which means every term involving an 'x' has no power/superscr...
There are several different methods for solving quadratic equations. The method you use depends on the equation in question. Usually, the easiest method is by factorising the quadratic, so...
←
887
888
889
890
891
→
Internet Safety
Payment Security
Cyber
Essentials
Comprehensive K-12 personalized learning
Immersive learning for 25 languages
Trusted tutors for 300 subjects
35,000 worksheets, games, and lesson plans
Adaptive learning for English vocabulary
Fast and accurate language certification
Essential reference for synonyms and antonyms
Comprehensive resource for word definitions and usage
Spanish-English dictionary, translator, and learning resources
French-English dictionary, translator, and learning
Diccionario ingles-espanol, traductor y sitio de apremdizaje
Fun educational games for kids
