Answer:
4x(x-4)(x+1)
Step-by-step explanation:
Please see the picture.
Answer:
These triangles cannot be proved congruent
Step-by-step explanation:
The theorems for congruence are SSS SAS ASA AAS. Here, there is only one common side and one common angle marked, therefore you cannot prove congruency.
Create the expression:
x^2 = 100
Take the square root of both sides:
x = 10