Answer:
Step-by-step explanation:
hello :
two equations have no real number solution :
x²+1=0 : bcause x²= - 1 false x²≥ 0
4x²+100 =0 : because x² = -25 false x²≥ 0
Answer:
no solution
Step-by-step explanation:
Answer:
x>−3 or x<−7
Step-by-step explanation:
Not sure if
or
first one
times both sides by k and divide both sides by D
2nd one
times both sides by