4n^2 + 28n + 49 = 0 factorises to:
(2n+7)(2n+7) = 0
Answer:
if you find the age of bob the rest is easy
Step-by-step explanation:
Answer:
PEMDAS
Step-by-step explanation:
1) Parentheses
2) exponents
3) multiplication
4) division
5) addition
and finally 6) subtraction
Answer: C
Step-by-step explanation: