Question Solve the equation(The real numbers system) x≈−1.479705 Evaluate 4x−20=2x3×4Evaluate 4x−20=8x3Move the expression to the left side 4x−20−8x3=0Factor the expression 4(x−5−2x3)=0Divide both sides x−5−2x3=0Solution x≈−1.479705 Show Solution Solve the equation(The complex numbers system) x1≈0.739852−1.068712i,x2≈0.739852+1.068712i,x3≈−1.479705 Evaluate 4x−20=2x3×4Multiply the terms 4x−20=8x3Move the expression to the left side 4x−20−8x3=0Factor the expression 4(x−5−2x3)=0Divide both sides x−5−2x3=0Calculate x≈−1.479705x≈0.739852+1.068712ix≈0.739852−1.068712iSolution x1≈0.739852−1.068712i,x2≈0.739852+1.068712i,x3≈−1.479705 Show Solution Graph