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(x^2+x+2)+(2x^2+3x+7) = ? you mean like that?
except not as many steps.
(5x-7) + (2x + 3) = ?
more like this : 8x² – 5x – 2 + 7x – x² + 3 I solved this one already but this is just an example
oh yeah thats a great one sleepy
tbh khanacademy probably has a problem generator instead of me trying to come up with random questions out of my head xD
that one works though thats actually perfect.
how would i solve this (5x-7) + (2x + 3) except with it like (5x-7+ 7x^3) + (2x + 3 + 5x^2)
just add up thing things that have the same letter things 5x + 2x = 7x
for instance i have this one to do ... (2𝑥^2 +𝑥+5 +(3𝑥^2 +4𝑥+1)
yeah that one is easy this one is a it tougher.
"add like terms" 2x^2 + 3x^2 = 5x^2
and 5 + 1 is 6 so?
im guesssing 5x^2 + 6 + 4x= ?
alright final one
don't forget the 4x + x = 5x
i got it now but can we do one with some minuses in it
sure :) do you have one or would you like for me to make one up?
can you make one please?
4x^2 - 7x + 1 - x^2 + 3x - 9
7x + 3x = 10x
see the negative?
-7x + 3x
oh so 4x
negative still -4x
i need to do multiply now here is one
4x^2 + 2x -1) x ( 3x^3 – x + 4)
you there @sleepyhead314 ?
(a + b - c)*(x - y + z) = a*x + a*(-y) + a*z + b*x + b*(-y) + b*z + (-c)*x + (-c)*(-y) + (-c)*z
how does this help?
sorry, that came out messy >,<|dw:1436298401225:dw|it's just a longer distributive property
so can you show me using my numbers i gave
please hurry i have to explain this to my teacher when I'm done
(4x^2 + 2x - 1)(3x^3 - x - 4) = 12x^5 - 4x^3 - 16x^2 + 6x^4 - 2x^2 - 8x - 3x^3 + x + 4
-4x ^3 + -3x^3=?
There are a lot of websites which give you examples. A few that I found: http://www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U11_L3_T2_text_final.html http://www.mathamazement.com/Lessons/Pre-Calculus/00_Prerequisites/polynomial-arithmetic.html http://www.mathguide.com/lessons/Polynomials.html http://www.mathwarehouse.com/algebra/polynomial/how-to-add-subtract-polynomials.php http://www.mathwarehouse.com/algebra/polynomial/how-to-multiply-polynomials.php