Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
6−x
Evaluate
2−x−2(−2)
Multiply the numbers
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Evaluate
−2(−2)
Multiplying or dividing an even number of negative terms equals a positive
2×2
Multiply the numbers
4
2−x+4
Solution
6−x
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Find the roots
x=6
Evaluate
2−x−2(−2)
To find the roots of the expression,set the expression equal to 0
2−x−2(−2)=0
Multiply the numbers
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Evaluate
2(−2)
Multiplying or dividing an odd number of negative terms equals a negative
−2×2
Multiply the numbers
−4
2−x−(−4)=0
Subtract the terms
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Simplify
2−x−(−4)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
2−x+4
Add the numbers
6−x
6−x=0
Move the constant to the right-hand side and change its sign
−x=0−6
Removing 0 doesn't change the value,so remove it from the expression
−x=−6
Solution
x=6
Show Solution