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Popular >

expand (p-5r)^2

Solution

expand

(p - 5 r)^{2}

Solution

p^{2} - 10 p r + 25 r^{2}

Solution steps

(p - 5 r)^{2}

Apply Perfect Square Formula:

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

(p - 5 r)^{2} = p^{2} - 2 p \cdot 5 r + (5 r)^{2}

= p^{2} - 2 p \cdot 5 r + (5 r)^{2}

Simplify

p^{2} - 2 p \cdot 5 r + (5 r)^{2} : p^{2} - 10 p r + 25 r^{2}

= p^{2} - 10 p r + 25 r^{2}

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Frequently Asked Questions (FAQ)

What is expand (p-5r)^2 ?
The solution to expand (p-5r)^2 is p^2-10pr+25r^2