Question

expand (5p-1)² please answer​

Answer 1

Answer:

5p²-10p+1

Step-by-step explanation:

used the formula

(x-y)² = x²-2xy+y²

Answer 2

$\huge\tt\colorbox{pink}{Answer}$

$(5p - {1)}^{2} \\ (a - {b)}^{2} = {a}^{2} + {b}^{2} - 2ab$

$a = 5p \\ b = 1$

$(5p - {1)}^{2} = {(5p)}^{2} + {1}^{2} - 2(5p)(1) \\ = 25 {p}^{2} + 1 - 10p \\ = {25p}^{2} - 10p + 1$