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b^{2}-196
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b^{2}-196
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\left(-14-\left(-b\right)\right)\left(14+b\right)
To find the opposite of 14-b, find the opposite of each term.
\left(-14+b\right)\left(14+b\right)
The opposite of -b is b.
-196-14b+14b+b^{2}
Apply the distributive property by multiplying each term of -14+b by each term of 14+b.
-196+b^{2}
Combine -14b and 14b to get 0.
\left(-14-\left(-b\right)\right)\left(14+b\right)
To find the opposite of 14-b, find the opposite of each term.
\left(-14+b\right)\left(14+b\right)
The opposite of -b is b.
-196-14b+14b+b^{2}
Apply the distributive property by multiplying each term of -14+b by each term of 14+b.
-196+b^{2}
Combine -14b and 14b to get 0.
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