Question

expand and combine like terms. (2x^4+3x^3)(2x^4-3x^3)

Answer 1

Step-by-step explanation:

Use the form (a + b)(a - b) = a^2 - b^2:

(2x^4 + 3x^3)(2x^4 - 3x^3) = 4x^8 - 9x^6.