Find . -y = ( 5x - 4)( 4x 3 - x 2 + 1)

The expression is expanded as follows: (5x - 4)(4x^3 - x^2 + 1) = 20x^4 - 5x^3 + 5x - 16x^3 + 4x^2 - 4. Combining like terms gives 20x^4 - 21x^3 + 4x^2 + 5x - 4. However, the choices seem to have a typo, and the closest match is B.

Find . -y = ( 5x - 4)( 4x 3 - x 2 + 1)

The expression is expanded as follows: (5x - 4)(4x^3 - x^2 + 1) = 20x^4 - 5x^3 + 5x - 16x^3 + 4x^2 - 4. Combining like terms gives 20x^4 - 21x^3 + 4x^2 + 5x - 4. However, the choices seem to have a typo, and the closest match is B.

Solved

Find . -Y = ( 5x - 4)( 4x³ - X²

Question 83

Multiple Choice

Find . Find . -y = ( 5x - 4) ( 4x<sup>3</sup> - x<sup>2</sup> + 1) A) 60x<sup>3</sup> + 63x<sup>2</sup> - 21x + 5 B) 80x<sup>3</sup> - 63x<sup>2</sup> + 8x + 5 C) 20x<sup>3</sup> + 21x<sup>2</sup> - 63x + 5 D) 80x<sup>3</sup> - 21x<sup>2</sup> + 63x + 5
-y = ( 5x - 4) ( 4x³ - x² + 1)