ivycrow6
ivycrow6 ivycrow6
  • 09-04-2022
  • Mathematics
contestada

what is an easy way to memorize like terms ex: 3 +x squared +x -5 +x squared

Respuesta :

25wangj31 25wangj31
  • 09-04-2022

Answer:

You can memorize formulas like (a+b)^2 but that's about it, I will write down some formulas that might be useful.

(a+b)^2 = a^2+2ab+b^2

(a-b)^2 = a^2-2ab+b^2

(a-b)(a+b) = a^2+b^2

calculate the zeros: x1,x2 = (-b +/- sqrt(b^2-4ac))/2a

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