Algebra
Calculus
Trigonometry
Matrix
Question
Calculate the value
2+2
Alternative Form
≈3.414214
Evaluate
2−12×1
Any expression multiplied by 1 remains the same
2−12
Multiply by the Conjugate
(2−1)(2+1)2×(2+1)
Multiply the numbers
More Steps
Rewrite the expression
(2−1)(2+1)
Use (a−b)(a+b)=a2−b2 to simplify the product
(2)2−12
Reduce the index of the radical and exponent with 2
2−12
Evaluate the power
2−1
Subtract the numbers
1
12×(2+1)
Any expression divided by 1 remains the same
2×(2+1)
Apply the distributive property
2×2+2
Solution
2+2
Alternative Form
≈3.414214
Show Solution
