Algebra
Calculus
Trigonometry
Matrix
Question
Calculate the value
5−6
Alternative Form
≈2.55051
Evaluate
(2×(2+(21)))−2−6
Remove the unnecessary parentheses
(2×(2+21))−2−6
Add the numbers
More Steps
Evaluate
2+21
Calculate
More Steps
Evaluate
21
Multiply by the Conjugate
2×21×2
Calculate
21×2
Any expression multiplied by 1 remains the same
22
2+22
Reduce fractions to a common denominator
22×2+22
Write all numerators above the common denominator
22×2+2
Use the commutative property to reorder the terms
222+2
Add the numbers
More Steps
Evaluate
22+2
Collect like terms by calculating the sum or difference of their coefficients
(2+1)2
Add the numbers
32
232
(2×232)−2−6
Multiply the numbers
More Steps
Evaluate
2×232
Multiply the numbers
22×32
Multiply the numbers
More Steps
Evaluate
2×32
When a square root of an expression is multiplied by itself,the result is that expression
2×3
Multiply the numbers
6
26
Cancel out the common factor 2
3
3−2−6
Since 2−6<0,the absolute value of 2−6 is −2+6
3−(−2+6)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
3+2−6
Solution
5−6
Alternative Form
≈2.55051
Show Solution
