Question Solve the equation(The real numbers system) x≈−0.686521 Evaluate −5x2−20x3×5=30Evaluate −5x2−100x3=30Move the expression to the left side −5x2−100x3−30=0Factor the expression −5(x2+20x3+6)=0Divide both sides x2+20x3+6=0Solution x≈−0.686521 Show Solution Solve the equation(The complex numbers system) x1≈0.318261−0.579393i,x2≈0.318261+0.579393i,x3≈−0.686521 Evaluate −5x2−20x3×5=30Multiply the terms −5x2−100x3=30Move the expression to the left side −5x2−100x3−30=0Factor the expression −5(x2+20x3+6)=0Divide both sides x2+20x3+6=0Calculate x≈−0.686521x≈0.318261+0.579393ix≈0.318261−0.579393iSolution x1≈0.318261−0.579393i,x2≈0.318261+0.579393i,x3≈−0.686521 Show Solution Graph