Question

Представьте в виде произведения выражение :
3) (4x-3)^2 - 25
4) (a-b-c)^2 - (a+b-c)^2

Answer 1

3)

${(4x - 3)}^{2} - 25 = (4x - 3 - 5)(4x - 3 + 5) = (4x - 8)(4x + 2)$

4)

${(a - b - c)}^{2} - {(a + b - c)}^{2} = (a - b - c - a - b + c)(a - b - c + a + b - c) = ( - 2b)(2a - 2c)$