Question
Calculate the value
−815
Alternative Form
≈−30.983867
Evaluate
1−(154)22(154)
Remove the unnecessary parentheses
1−(154)22×154
Multiply the numbers
More Steps

Evaluate
2×154
Multiply the numbers
152×4
Multiply the numbers
158
1−(154)2158
Subtract the numbers
More Steps

Simplify
1−(154)2
Rewrite the expression
1−1542
Evaluate the power
1−1516
Reduce fractions to a common denominator
1515−1516
Write all numerators above the common denominator
1515−16
Subtract the numbers
15−1
Use b−a=−ba=−ba to rewrite the fraction
−151
−151158
Multiply by the reciprocal
158×(−15)
Multiplying or dividing an odd number of negative terms equals a negative
−158×15
Multiply the numbers
−158×15
Multiply the numbers
−15120
Multiply by the Conjugate
15×15−12015
When a square root of an expression is multiplied by itself,the result is that expression
15−12015
Solution
−815
Alternative Form
≈−30.983867
Show Solution
