Respuesta :
Answer:
Step-by-step explanation:
Zero because 20 minus 13 is 7 and you minus 7 and it's 0
Answer:
the answer is already given or it is zero in case of quadratic equations
Answer:
Step-by-step explanation:
Zero because 20 minus 13 is 7 and you minus 7 and it's 0
Answer:
the answer is already given or it is zero in case of quadratic equations