A-3b=4;2a=6b-9
Answer by elimination

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.