Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
b1=−2,b2=2
Alternative Form
b1≈−1.414214,b2≈1.414214
Evaluate
2=b4−2
Swap the sides of the equation
b4−2=2
Move the constant to the right-hand side and change its sign
b4=2+2
Add the numbers
b4=4
Take the root of both sides of the equation and remember to use both positive and negative roots
b=±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
b=±2
Separate the equation into 2 possible cases
b=2b=−2
Solution
b1=−2,b2=2
Alternative Form
b1≈−1.414214,b2≈1.414214
Show Solution
Graph
