It is inadvisable to suggest against resitting in cases such as these. English and Maths are the two subjects you absolutely need in everyday life because it is a fundamental requirement to do basic maths and to write a eloquent enough sentence to understand somebody (well, maybe not eloquent but certainly to a minimum standard).
Your grades will reflect this and, sorry to say, your employer will take what your certificate says over your word any day, as will any future colleges/universities.