Respuesta :
Answer:2x^2+x-10
Step-by-step explanation: You will want to distribute this problem.
(x-2)(2x+5)
1st
distribute the x from the first parenthesis into everything in the second parenthesis. This means, multiply x by 2x and then multiply x again by 5.
That will give you 2x^2+5x
2nd
distribute -2 from the first parenthesis into everything in the second parenthesis. Same as before, just with -2 this time.
That will give you -4x-10
3rd
Put everything together and add like terms.
2x^2+5x-4x-10 , 5x and -4x are like terms, so add them together.
=2x^2+x-10
Note: your answer should be in the appropriate order. That is, in a descending order. The highest exponent comes first and then so on.
Also: If your coefficient is 1, meaning the number in front of the x is one, then you can just leave it out and simply write x.
Answer:
[tex]2x^{2} +x-10[/tex]
Step-by-step explanation:
All you need to do is distribute (x-2) using the FOIL method into (2x+5)
1. FOIL stand for Front, Outer, Inner, Last
Front: (x * 2x) = [tex]2x^{2}[/tex]
Outer: (x * 5) = 5x
Now combine these two values and you get [tex]2x^{2} +5x[/tex]
Inner: (-2 * 2x) = -4x
Last: (-2 * 5) = -10
Now combines these two values to the other values we combined together,
You get: [tex]2x^{2} +5x -4x-10[/tex]
Now you simplify by combining like terms: The only like terms to combine is 5x and -4x
You get: [tex]2x^{2} +x-10[/tex] (this is your answer)