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Popular >

expand (c+7)^2

Solution

expand

(c + 7)^{2}

Solution

c^{2} + 14 c + 49

Solution steps

(c + 7)^{2}

Apply Perfect Square Formula:

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

(c + 7)^{2} = c^{2} + 2 c \cdot 7 + 7^{2}

= c^{2} + 2 c \cdot 7 + 7^{2}

Simplify

c^{2} + 2 c \cdot 7 + 7^{2} : c^{2} + 14 c + 49

= c^{2} + 14 c + 49

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Frequently Asked Questions (FAQ)

What is expand (c+7)^2 ?
The solution to expand (c+7)^2 is c^2+14c+49