Question
Simplify the expression
−39x4−4x2−10x3−84
Evaluate
x4−4x2−10x3−40x2×1×x2−84
Multiply the terms
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Multiply the terms
−40x2×1×x2
Rewrite the expression
−40x2×x2
Multiply the terms with the same base by adding their exponents
−40x2+2
Add the numbers
−40x4
x4−4x2−10x3−40x4−84
Solution
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Evaluate
x4−40x4
Collect like terms by calculating the sum or difference of their coefficients
(1−40)x4
Subtract the numbers
−39x4
−39x4−4x2−10x3−84
Show Solution

Find the roots
x∈/R
Evaluate
x4−4x2−10x3−40x2×1×x2−84
To find the roots of the expression,set the expression equal to 0
x4−4x2−10x3−40x2×1×x2−84=0
Multiply the terms
More Steps

Multiply the terms
40x2×1×x2
Rewrite the expression
40x2×x2
Multiply the terms with the same base by adding their exponents
40x2+2
Add the numbers
40x4
x4−4x2−10x3−40x4−84=0
Subtract the terms
More Steps

Simplify
x4−4x2−10x3−40x4
Subtract the terms
More Steps

Evaluate
x4−40x4
Collect like terms by calculating the sum or difference of their coefficients
(1−40)x4
Subtract the numbers
−39x4
−39x4−4x2−10x3
−39x4−4x2−10x3−84=0
Factor the expression
−(39x4+4x2+10x3+84)=0
Divide both sides
39x4+4x2+10x3+84=0
Solution
x∈/R
Show Solution
