Question
Solve the equation
x∈/R
Alternative Form
No real solution
Evaluate
4x2−5=3x4
Move the expression to the left side
4x2−5−3x4=0
Solve the equation using substitution t=x2
4t−5−3t2=0
Rewrite in standard form
−3t2+4t−5=0
Multiply both sides
3t2−4t+5=0
Substitute a=3,b=−4 and c=5 into the quadratic formula t=2a−b±b2−4ac
t=2×34±(−4)2−4×3×5
Simplify the expression
t=64±(−4)2−4×3×5
Simplify the expression
More Steps

Evaluate
(−4)2−4×3×5
Multiply the terms
More Steps

Multiply the terms
4×3×5
Multiply the terms
12×5
Multiply the numbers
60
(−4)2−60
Rewrite the expression
42−60
Evaluate the power
16−60
Subtract the numbers
−44
t=64±−44
The expression is undefined in the set of real numbers
t∈/R
Solution
x∈/R
Alternative Form
No real solution
Show Solution
