Step-by-step explanation:
x²=5x+4
- x²-5x-4=0
- x²-x+4x-4
- x(x-1)+4(x-1)
- (x_1)(x+4)
hope it helps.
Answer:
Likely
Step-by-step explanation:
Answer:
15 hours
Step-by-step explanation:
1vat/6hours - 1vat/10hours = 1vat/xhours
1/6 - 1/10 = 1/x
Use common denominator of 30
5/30 - 3/30 = 1/x
2/30 = 1/x
1/15 = 1/x
Cross multiply
x = 15 hours