Question Simplify the expression −10d−5d4−9d2 Evaluate −10d−5d3×d−9d×dMultiply More Steps Multiply the terms −5d3×dMultiply the terms with the same base by adding their exponents −5d3+1Add the numbers −5d4 −10d−5d4−9d×dSolution −10d−5d4−9d2 Show Solution Factor the expression −d(10+5d3+9d) Evaluate −10d−5d3×d−9d×dMultiply More Steps Multiply the terms 5d3×dMultiply the terms with the same base by adding their exponents 5d3+1Add the numbers 5d4 −10d−5d4−9d×dMultiply the terms −10d−5d4−9d2Rewrite the expression −d×10−d×5d3−d×9dSolution −d(10+5d3+9d) Show Solution Find the roots d1≈−0.812797,d2=0 Evaluate −10d−5d3×d−9d×dTo find the roots of the expression,set the expression equal to 0 −10d−5d3×d−9d×d=0Multiply More Steps Multiply the terms 5d3×dMultiply the terms with the same base by adding their exponents 5d3+1Add the numbers 5d4 −10d−5d4−9d×d=0Multiply the terms −10d−5d4−9d2=0Factor the expression −d(10+5d3+9d)=0Divide both sides d(10+5d3+9d)=0Separate the equation into 2 possible cases d=010+5d3+9d=0Solve the equation d=0d≈−0.812797Solution d1≈−0.812797,d2=0 Show Solution