Answer:
U = x + 3 and V = 7
Step-by-step explanation:
Let U = x + 3 and V = 7, then:
=> (x + 3)^2 + 14(x + 3) + 49
= (x + 3)^2 + 2*7*(x + 3) + 7^2
= U^2 + 2UV + V^2
= (U + V)^2
(correct)
Answer:
110
Step-by-step explanation:
Answer:
3.5m
Step-by-step explanation:
Square 7=49. Subtract 49 from 196= 147. Find the square root of 147= 12.12m.
Answer:
Apply the binomial expansion...