( please help me)
Multiply the polynomials
(4x2 + 4x + 6)( 7x + 5)

A. 28x3 - 40x2 + 70x + 30
B. 28x3 + 8x2 + 22x + 30
C. 28x3 + 48x2 + 62x + 30
D. 28x3 + 8x2 + 22x - 30​

Respuesta :

Answer: C

Explanation:

I don't know what the name of the method that I used but

- I lined them up (as shown) so i can multiply all parts of the equation

- combined the like terms (marked by highlighter)

and the result is the same as option C.

Ver imagen xlmorii613