anonymous
  • anonymous
Simplify the following expression: (5x^2 + 3x + 4) − (2x^2 + 5x − 1). If the final answer is written in the form Ax^2 + Bx + C, what is the value of A?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
(5x2 + 3x + 4) − (2x2 + 5x − 1) = 5x2 + 3x + 4 − 2x2 - 5x + 1 = 5x2 - 2x2 + 3x - 5x + 4 + 1 = 3x2 - 2x + 5. jesus
anonymous
  • anonymous
what?
anonymous
  • anonymous
i dont even get wat u just did

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e.cociuba
  • e.cociuba
1. Answers.com is not always preferred for people when learning. 2. Don't use the Lords name in vain. 3. Describe it and help her learn the method and equation. @jonjenkins7653
anonymous
  • anonymous
i can do what i want to jesus jesus jesus jesus
anonymous
  • anonymous
.....
anonymous
  • anonymous
@e.cociuba bru u can go
anonymous
  • anonymous
how long u goin to type
e.cociuba
  • e.cociuba
Okay, so we have this equation, and what we have to do with it, is simplify it: (5x^2 + 3x + 4) − (2x^2 + 5x − 1) There is no point in keeping the parenthesis, since you can combine both of them together, which gives you this: 5x^2 + 3x + 4 − 2x^2 - 5x + 1 =
e.cociuba
  • e.cociuba
Does that make sense so far?
anonymous
  • anonymous
ohh ok so what i do is combine like terms or?
e.cociuba
  • e.cociuba
Yes. Next you're going to combine your like terms. Show me what you come out to get.
anonymous
  • anonymous
ok
anonymous
  • anonymous
|dw:1377734423850:dw|
anonymous
  • anonymous
i think sorry the drawing was bad
e.cociuba
  • e.cociuba
Lol, nice picture. So, we're trying to combine all the like terms from this equation: 5x^2 + 3x + 4 − 2x^2 - 5x + 1 = First, lets put this equation in order, so it helps us when we have to combine: 5x^2 - 2x^2 + 3x - 5x + 4 + 1 = So, when you combine your like terms, you get: 3x2 - 2x + 5
anonymous
  • anonymous
Lol thank you, So the vlue of A would be Just 3
e.cociuba
  • e.cociuba
As you can see, 3x2 - 2x + 5 is in Ax^2 + Bx + C, so the value of A=3
e.cociuba
  • e.cociuba
Yes, correct! :) I hope this helped!
anonymous
  • anonymous
It did Alot thanks so much i like when people explain to me then i could do the rest on my own
e.cociuba
  • e.cociuba
That's what we are here for :) Good job! :)

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