Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−15x7
Evaluate
3x2(−5x5)
Multiply the numbers
More Steps
Evaluate
3(−5)
Multiplying or dividing an odd number of negative terms equals a negative
−3×5
Multiply the numbers
−15
−15x2×x5
Solution
More Steps
Evaluate
x2×x5
Use the product rule an×am=an+m to simplify the expression
x2+5
Add the numbers
x7
−15x7
Show Solution
Find the roots
x=0
Evaluate
(3x2)(−5x5)
To find the roots of the expression,set the expression equal to 0
(3x2)(−5x5)=0
Multiply the terms
3x2(−5x5)=0
Multiply the terms
More Steps
Evaluate
3x2(−5x5)
Multiply the numbers
More Steps
Evaluate
3(−5)
Multiplying or dividing an odd number of negative terms equals a negative
−3×5
Multiply the numbers
−15
−15x2×x5
Multiply the terms
More Steps
Evaluate
x2×x5
Use the product rule an×am=an+m to simplify the expression
x2+5
Add the numbers
x7
−15x7
−15x7=0
Change the signs on both sides of the equation
15x7=0
Rewrite the expression
x7=0
Solution
x=0
Show Solution