Evaluate
-x\left(x-7\right)+1
Expand
1+7x-x^{2}
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\left(-x-\left(-7\right)\right)x+1
To find the opposite of x-7, find the opposite of each term.
\left(-x+7\right)x+1
The opposite of -7 is 7.
-x^{2}+7x+1
Use the distributive property to multiply -x+7 by x.
\left(-x-\left(-7\right)\right)x+1
To find the opposite of x-7, find the opposite of each term.
\left(-x+7\right)x+1
The opposite of -7 is 7.
-x^{2}+7x+1
Use the distributive property to multiply -x+7 by x.
Examples
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Limits
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