Order of operations example: putting it all together | Pre-Algebra | Khan Academy

preview_player
Показать описание

Simplify this tricky expression using the order of operations. Expression include negative numbers and exponents.

Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, and fractions to name a few. So buckle up and move your seat into the upright position. We're about to take off!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Рекомендации по теме
Комментарии
Автор

Sorry I understood the concept but I dont get how -5x-5 =-25 how is that possible? Wouldnt it be -5x-5=25 since a negative times a negative equal a positive? Or does it not apply here? Please help

danielsalazar
Автор

why do part of the parentheses then the exponent... then back to the parentheses?

baronjq
Автор

i thought you had to square the answer you get at the end. I got 400

maheshsubhash
Автор

Good grades means good points on SkyWard

lorensworldgottalent
Автор

Not big enough. Needs more parentheses and a root symbol.

gantzu
Автор

This video could have added a few easy chicks.

braxtongreenwell