Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−2x4−18x5−9x
Evaluate
−2x4−x3×18x2−9x
Solution
More Steps
Evaluate
−x3×18x2
Multiply the terms with the same base by adding their exponents
−x3+2×18
Add the numbers
−x5×18
Use the commutative property to reorder the terms
−18x5
−2x4−18x5−9x
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Factor the expression
−x(2x3+18x4+9)
Evaluate
−2x4−x3×18x2−9x
Multiply
More Steps
Evaluate
x3×18x2
Multiply the terms with the same base by adding their exponents
x3+2×18
Add the numbers
x5×18
Use the commutative property to reorder the terms
18x5
−2x4−18x5−9x
Rewrite the expression
−x×2x3−x×18x4−x×9
Solution
−x(2x3+18x4+9)
Show Solution
Find the roots
x=0
Evaluate
−2x4−x3×18x2−9x
To find the roots of the expression,set the expression equal to 0
−2x4−x3×18x2−9x=0
Multiply
More Steps
Multiply the terms
x3×18x2
Multiply the terms with the same base by adding their exponents
x3+2×18
Add the numbers
x5×18
Use the commutative property to reorder the terms
18x5
−2x4−18x5−9x=0
Factor the expression
−x(2x3+18x4+9)=0
Divide both sides
x(2x3+18x4+9)=0
Separate the equation into 2 possible cases
x=02x3+18x4+9=0
Solve the equation
x=0x∈/R
Solution
x=0
Show Solution