Answer:
28 x³ + 48 x² + 62 x + 30
Step-by-step explanation:
Explanation:-
Given that the polynomial equation
(4 x² + 4x +6)(7x+5)
Multiply
⇒ 4 x² ( 7 x+5) + 4 x ( 7x+5) + 6 (7x+5)
⇒ 28 x³ + 20 x² + 28 x² + 20 x + 42 x + 30
⇒ 28 x³ + 48 x² + 62 x + 30
