Try grouping in paires
4x^3 + 28x^2 + 7x + 49
= 4x^2(x + 7) + 7(x + 7) - note that (x + 7) is common to the 2 parts, so
= (4x^2 + 7)(x + 7)
The length of the hypotenuse is (the length of each leg) times (the square root of 2).
the 4 because it's in the hundred place value
I THINK THAT"S HOW YOU DO IT, BUT YOU KNOW JUST TRYING TO HELP YOU :)
Answer:

Step-by-step explanation:



Answer:
what is 40 plus 60
Step-by-step explanation: