Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
249d
Evaluate
27d−2(−3d×27)
Rewrite the expression
27d−2(−3)d×27
Multiply
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Multiply the terms
2(−3)d×27
Rewrite the expression
−2×3d×27
Multiply the terms
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Evaluate
2×3×27
Reduce the fraction
1×3×7
Any expression multiplied by 1 remains the same
3×7
Multiply the numbers
21
−21d
27d−(−21d)
Rewrite the expression
27d+21d
Collect like terms by calculating the sum or difference of their coefficients
(27+21)d
Solution
More Steps
Evaluate
27+21
Reduce fractions to a common denominator
27+221×2
Write all numerators above the common denominator
27+21×2
Multiply the numbers
27+42
Add the numbers
249
249d
Show Solution
Find the roots
d=0
Evaluate
27d−2(−3d×27)
To find the roots of the expression,set the expression equal to 0
27d−2(−3d×27)=0
Multiply the terms
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Multiply the terms
−3d×27
Multiply the terms
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Evaluate
3×27
Multiply the numbers
23×7
Multiply the numbers
221
−221d
27d−2(−221d)=0
Multiply the numbers
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Evaluate
2(−221)
Multiplying or dividing an odd number of negative terms equals a negative
−2×221
Reduce the numbers
−1×21
Simplify
−21
27d−(−21d)=0
Subtract the terms
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Simplify
27d−(−21d)
Rewrite the expression
27d+21d
Collect like terms by calculating the sum or difference of their coefficients
(27+21)d
Add the numbers
More Steps
Evaluate
27+21
Reduce fractions to a common denominator
27+221×2
Write all numerators above the common denominator
27+21×2
Multiply the numbers
27+42
Add the numbers
249
249d
249d=0
Solution
d=0
Show Solution