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Popular >

simplify (x+7)^2-x(x+14)

Solution

simplify

(x + 7)^{2} - x (x + 14)

Solution

49

Solution steps

(x + 7)^{2} - x (x + 14)

Expand

(x + 7)^{2} : x^{2} + 14 x + 49

= x^{2} + 14 x + 49 - x (x + 14)

Expand

- x (x + 14) : - x^{2} - 14 x

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

Group like terms

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

Add similar elements:

x^{2} - x^{2} = 0

= 14 x - 14 x + 49

Add similar elements:

14 x - 14 x = 0

= 49

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Frequently Asked Questions (FAQ)

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