Question
Solve the equation
w1=−2,w2=2
Alternative Form
w1≈−1.414214,w2≈1.414214
Evaluate
4w4=16
Divide both sides
44w4=416
Divide the numbers
w4=416
Divide the numbers
More Steps

Evaluate
416
Reduce the numbers
14
Calculate
4
w4=4
Take the root of both sides of the equation and remember to use both positive and negative roots
w=±44
Simplify the expression
More Steps

Evaluate
44
Write the number in exponential form with the base of 2
422
Reduce the index of the radical and exponent with 2
2
w=±2
Separate the equation into 2 possible cases
w=2w=−2
Solution
w1=−2,w2=2
Alternative Form
w1≈−1.414214,w2≈1.414214
Show Solution
