Question

Write the expression as a polynomial in standard form:

5x+4x^2(2x+7)-6x^2-9x

Answer 1

5x + 4x²(2x + 7) - 6x² - 9x =

= 5x + 8x³ + 28x² - 6x² - 9x =

= 8x³ + 22x² - 4x

Answer 2

8x^3+22x^2−4x that’s the answer