5x (5x3+9^2)+4

I got 28x^2+88
I know i wrong but idont know how to do the problem.

2 answers

I have no idea what the 5x means..five times?
Or the 5x3, is that five times three?

Show us what you did, maybe we can help you. a times b is best written as a*b
x squared is best written x^2
There isn't a value for x. X is just a variable