Answer:
Both x = -1 and x = -7 are true solutions.
Step-by-step explanation:
Given
Required
Solve
Take square of both sides
Open bracket
Express as:
Expand
Factorize
Factor out x + 7
Solve:
So:
Answer:
£65.40
Step-by-step explanation:
the answer you need is plus+
So you would start with the square and do 18 times 18 which equals 324 then for the triangle it's base times height divided by two so 9 times 18 divided by 2 which equals 81 then you add the triangle plus the square and your final answer is
answer:405