Question
Simplify the expression
−16
Evaluate
a×1×a−a×1×a−16
Multiply the terms
More Steps

Multiply the terms
a×1×a
Rewrite the expression
a×a
Multiply the terms
a2
a2−a×1×a−16
Multiply the terms
More Steps

Multiply the terms
−a×1×a
Rewrite the expression
−a×a
Multiply the terms
−a2
a2−a2−16
The sum of two opposites equals 0
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Evaluate
a2−a2
Collect like terms
(1−1)a2
Add the coefficients
0×a2
Calculate
0
0−16
Solution
−16
Show Solution

Find the roots
a∈∅
Evaluate
a×1×a−a×1×a−16
To find the roots of the expression,set the expression equal to 0
a×1×a−a×1×a−16=0
Multiply the terms
More Steps

Multiply the terms
a×1×a
Rewrite the expression
a×a
Multiply the terms
a2
a2−a×1×a−16=0
Multiply the terms
More Steps

Multiply the terms
a×1×a
Rewrite the expression
a×a
Multiply the terms
a2
a2−a2−16=0
Subtract the terms
0−16=0
Removing 0 doesn't change the value,so remove it from the expression
−16=0
Solution
a∈∅
Show Solution
