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Popular >

expand (x-15)^2

Solution

expand

(x - 15)^{2}

Solution

x^{2} - 30 x + 225

Solution steps

(x - 15)^{2}

Apply Perfect Square Formula:

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

(x - 15)^{2} = x^{2} - 2 x \cdot 15 + 1 5^{2}

= x^{2} - 2 x \cdot 15 + 1 5^{2}

Simplify

x^{2} - 2 x \cdot 15 + 1 5^{2} : x^{2} - 30 x + 225

= x^{2} - 30 x + 225

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Frequently Asked Questions (FAQ)

What is expand (x-15)^2 ?
The solution to expand (x-15)^2 is x^2-30x+225