35x2.5=87.5 so 87.5 is the answer
Answer:
Step-by-step explanation:
There are several approach to solving a quadratic equation; factorization, completing the square, the use of 'the almighty formula etc. Though i didn't see the steps you followed in solving, but from your answer, it is obvious you made good attempt but something is missing, your answer should be (5+√57)/2 or (5-√57)/2
Answer:
I think A
Step-by-step explanation:
With the equasions shown A makes the most sense