Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
x1=−2,x2=2
Evaluate
4(x2)2=64
Simplify
More Steps
Evaluate
4(x2)2
Multiply the exponents
4x2×2
Multiply the numbers
4x4
4x4=64
Divide both sides
44x4=464
Divide the numbers
x4=464
Divide the numbers
More Steps
Evaluate
464
Reduce the numbers
116
Calculate
16
x4=16
Take the root of both sides of the equation and remember to use both positive and negative roots
x=±416
Simplify the expression
More Steps
Evaluate
416
Write the number in exponential form with the base of 2
424
Reduce the index of the radical and exponent with 4
2
x=±2
Separate the equation into 2 possible cases
x=2x=−2
Solution
x1=−2,x2=2
Show Solution
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