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Popular >

factor d^2-14d+49

Solution

factor

d^{2} - 14 d + 49

Solution

(d - 7)^{2}

Solution steps

d^{2} - 14 d + 49

Rewrite in the form of

a^{2} + 2 ab + b^{2} :

49 = 7^{2}

- 14 d = - 2 d \cdot 7

= d^{2} - 2 d \cdot 7 + 7^{2}

Apply Perfect Square Formula:

a^{2} - 2 ab + b^{2} = (a - b)^{2}

d^{2} - 2 d \cdot 7 + 7^{2} = (d - 7)^{2}

= (d - 7)^{2}

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Frequently Asked Questions (FAQ)

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