Question
Simplify the expression
−8−m4
Evaluate
5−m4−13
Solution
−8−m4
Show Solution

Find the roots
m1=−42−42×i,m2=42+42×i
Alternative Form
m1≈−1.189207−1.189207i,m2≈1.189207+1.189207i
Evaluate
5−m4−13
To find the roots of the expression,set the expression equal to 0
5−m4−13=0
Subtract the numbers
−8−m4=0
Move the constant to the right-hand side and change its sign
−m4=0+8
Removing 0 doesn't change the value,so remove it from the expression
−m4=8
Change the signs on both sides of the equation
m4=−8
Take the root of both sides of the equation and remember to use both positive and negative roots
m=±4−8
Simplify the expression
More Steps

Evaluate
4−8
Rewrite the expression
48×(22+22i)
Apply the distributive property
48×22+48×22i
Multiply the numbers
More Steps

Evaluate
48×22
Multiply the numbers
248×2
Multiply the numbers
2242
Reduce the fraction
42
42+48×22i
Multiply the numbers
42+42×i
m=±(42+42×i)
Separate the equation into 2 possible cases
m=42+42×im=−42−42×i
Solution
m1=−42−42×i,m2=42+42×i
Alternative Form
m1≈−1.189207−1.189207i,m2≈1.189207+1.189207i
Show Solution
