Question
Solve the equation
d1=−42,d2=42
Alternative Form
d1≈−1.189207,d2≈1.189207
Evaluate
18=9d3×d
Multiply
More Steps

Evaluate
9d3×d
Multiply the terms with the same base by adding their exponents
9d3+1
Add the numbers
9d4
18=9d4
Swap the sides of the equation
9d4=18
Divide both sides
99d4=918
Divide the numbers
d4=918
Divide the numbers
More Steps

Evaluate
918
Reduce the numbers
12
Calculate
2
d4=2
Take the root of both sides of the equation and remember to use both positive and negative roots
d=±42
Separate the equation into 2 possible cases
d=42d=−42
Solution
d1=−42,d2=42
Alternative Form
d1≈−1.189207,d2≈1.189207
Show Solution
