Answer:
x+5 is the factor..
Step-by-step explanation:
xsquare + (8+5)x + 40
or, xsquare +8x+5x+40
or, x(x+8)+5(x+8)
(x+5)(x+8)
F(x) = 4.x2 +1 is the answer.
Answer:
I would say the last one. If its wrong then its definitely option 9y/3
Sorry if its wrong :(
Answer:

Step-by-step explanation:
(Given)
(Given)
9514 1404 393
Answer:
x = 39
Step-by-step explanation:
The Pythagorean theorem tells you the sum of the squares of the sides of a right triangle is the square of the hypotenuse.
x² +80² = 89²
x² = 89² -80² = 7921 -6400 = 1521
x = √1521
x = 39