Question

multiply (5x²-3x+7)(4x+3)​

Answer 1

Answer:

= 20$x^{3}$ + 3x² - 9x + 21

Step-by-step explanation:

= (4x+3)​(5x²-3x+7)

= 4x (5x²-3x+7) + 3(5x²-3x+7)

= 20$x^{3}$ - 12$x^{2}$ + 28x + 15x² - 9x + 21

= 20$x^{3}$ + 3x² + 28x - 9x + 21