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Popular >

simplify b^2+49-(b-7)^2

Solution

simplify

b^{2} + 49 - (b - 7)^{2}

Solution

14 b

Solution steps

b^{2} + 49 - (b - 7)^{2}

Expand

- (b - 7)^{2} : - b^{2} + 14 b - 49

= b^{2} + 49 - b^{2} + 14 b - 49

Group like terms

= b^{2} - b^{2} + 14 b + 49 - 49

Add similar elements:

b^{2} - b^{2} = 0

= 14 b + 49 - 49

Subtract the numbers:

49 - 49 = 0

= 14 b

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Frequently Asked Questions (FAQ)

What is b^2+49-(b-7)^2 ?
The solution to b^2+49-(b-7)^2 is 14b