Answer: The answer is: 13,428,256. Hope this helps!!
Step-by-step explanation:
Semi perimeter:-
Apply heron s formula
Area:-
Answer:
4x^2+17x+15
(4x-3)(x+5)
= 4x(x+5) -3(x+5)
= 4x^2+ 20x -3x + 15
= 4x^2 + 17x + 15
three times 3 is nine and six times three is eighteen, 3:6 is simplified.
