Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−4k2
Evaluate
k2×2−k2×6
Use the commutative property to reorder the terms
2k2−k2×6
Use the commutative property to reorder the terms
2k2−6k2
Collect like terms by calculating the sum or difference of their coefficients
(2−6)k2
Solution
−4k2
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Find the roots
k=0
Evaluate
k2×2−k2×6
To find the roots of the expression,set the expression equal to 0
k2×2−k2×6=0
Use the commutative property to reorder the terms
2k2−k2×6=0
Use the commutative property to reorder the terms
2k2−6k2=0
Subtract the terms
More Steps
Simplify
2k2−6k2
Collect like terms by calculating the sum or difference of their coefficients
(2−6)k2
Subtract the numbers
−4k2
−4k2=0
Change the signs on both sides of the equation
4k2=0
Rewrite the expression
k2=0
Solution
k=0
Show Solution