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Popular >

expand (z+3)^2

Solution

expand

(z + 3)^{2}

Solution

z^{2} + 6 z + 9

Solution steps

(z + 3)^{2}

Apply Perfect Square Formula:

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

(z + 3)^{2} = z^{2} + 2 z \cdot 3 + 3^{2}

= z^{2} + 2 z \cdot 3 + 3^{2}

Simplify

z^{2} + 2 z \cdot 3 + 3^{2} : z^{2} + 6 z + 9

= z^{2} + 6 z + 9

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Frequently Asked Questions (FAQ)

What is expand (z+3)^2 ?
The solution to expand (z+3)^2 is z^2+6z+9