Respuesta :
The coefficient of x in 2x^2 + 7x - 18 is 7.
What is quadratic trinomial?
- It is a type of polynomial which contains three terms and the power of the polynomial is two.
- The general form of quadratic trinomial is [tex]ax^{2} +bx+c[/tex], where a, b, c are non zero real numbers and x is variable
For given example,
We have been given two quadratic trinomials (2x^2 - 5x + 7) and (4x^2 + 2x - 11).
If (2x^2 - 5x + 7) is subtracted from (4x^2 + 2x - 11),
= (4x^2 + 2x-11) - (2x^2 - 5x + 7)
= 4x^2 + 2x - 11 - 2x^2 + 5x - 7
= (4 - 2)x^2 + (2 + 5)x - (11 + 7)
= 2x^2 + 7x - 18
Therefore, the coefficient of x is 7.
Learn more about quadratic trinomial here:
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