Question

4х2 — 81/2x2 – 5x - 18​

Answer 1

Ответ:

$\frac{2x + 9}{x + 2}$

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Answer 2

To solve the given expression $4x^2 - \frac{81}{2}x^2 - 5x - 18$, we'll follow these steps:

1. Combine like terms.
2. Perform the necessary arithmetic operations.

The expression is:

$4x^2 - \frac{81}{2}x^2 - 5x - 18$

To combine like terms, we'll add the coefficients of $x^2$ and $x$:

$4x^2 - \frac{81}{2}x^2 - 5x - 18 = \left(4 - \frac{81}{2}\right)x^2 - 5x - 18$

Next, we'll simplify the coefficient of $x^2$:

$4 - \frac{81}{2} = \frac{8}{2} - \frac{81}{2} = -\frac{73}{2}$

So, the simplified expression is:

$-\frac{73}{2}x^2 - 5x - 18$