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1 vote
Solve the equation x^2-18x+21=-3x to the nearest tenth

User Jhvaras
by
3.6k points

2 Answers

13 votes

Answer:

x=13.4 or x=1.6

Explanation:

use the quadratic formula x= -b±√(b²-4ac) all divided by 2

Where a = 1 b= -15 c=21

User RJFalconer
by
3.6k points
6 votes

Answer:

x=1.6 and x=13.4

Explanation:

First we must bring -3x over to the left side by addin git the both sides

User Andy Macleod
by
2.9k points