Multiply the polynomial expression

(x^2y+2)(x^2-y)

1 answer

To multiply the polynomial expressions \((x^2y + 2)(x^2 - y)\), we can use the distributive property (also known as the FOIL method for binomials).

We will distribute each term in the first polynomial across each term in the second polynomial:

  1. Multiply \(x^2y\) by \(x^2\): \[ x^2y \cdot x^2 = x^{4}y \]

  2. Multiply \(x^2y\) by \(-y\): \[ x^2y \cdot (-y) = -x^2y^2 \]

  3. Multiply \(2\) by \(x^2\): \[ 2 \cdot x^2 = 2x^2 \]

  4. Multiply \(2\) by \(-y\): \[ 2 \cdot (-y) = -2y \]

Now, we combine all the results: \[ x^{4}y - x^2y^2 + 2x^2 - 2y \]

So, the final product of the polynomial expression \((x^2y + 2)(x^2 - y)\) is: \[ \boxed{x^{4}y - x^2y^2 + 2x^2 - 2y} \]