Question
Simplify the expression
−49y8
Evaluate
7y4(−7y4)
Multiply the numbers
More Steps

Evaluate
7(−7)
Multiplying or dividing an odd number of negative terms equals a negative
−7×7
Multiply the numbers
−49
−49y4×y4
Solution
More Steps

Evaluate
y4×y4
Use the product rule an×am=an+m to simplify the expression
y4+4
Add the numbers
y8
−49y8
Show Solution

Find the roots
y=0
Evaluate
(7y4)(−7y4)
To find the roots of the expression,set the expression equal to 0
(7y4)(−7y4)=0
Multiply the terms
7y4(−7y4)=0
Multiply the terms
More Steps

Evaluate
7y4(−7y4)
Multiply the numbers
More Steps

Evaluate
7(−7)
Multiplying or dividing an odd number of negative terms equals a negative
−7×7
Multiply the numbers
−49
−49y4×y4
Multiply the terms
More Steps

Evaluate
y4×y4
Use the product rule an×am=an+m to simplify the expression
y4+4
Add the numbers
y8
−49y8
−49y8=0
Change the signs on both sides of the equation
49y8=0
Rewrite the expression
y8=0
Solution
y=0
Show Solution
