Question

multiply 2x^3 - 4x^2 + 10y^2 +5 by 3x-2

Answer 1

Answer:

Step-by-step explanation:

$(2x^3 - 4x^2 + 10y^2 +5) \times (3x-2)\\ =3x(2x^3 - 4x^2 + 10y^2 +5) - 2(2x^3 - 4x^2 + 10y^2 +5)\\ =4x^4 -12x^3 +30x y^2 + 15x -4x^3 +8x^2 - 20y^2 -5\\ =4x^4 -12x^3 -4x^3+ +8x^2 +30x y^2 + 15x- 20y^2 -5\\ =4x^4 -16x^3+ +8x^2 +30x y^2 + 15x- 20y^2 -5$