Question

ришите примери дам 100 Б

Answer 1

Объяснение:

(х + m)(c + y) = xc + xy + mc + my

(a - b)(k - p) = ak - ap - bk + bp

(5 + c)(6 - x) = 30 - 5x + 6c - cx

(5x - 3)(4 - 3x) = 20x - 15x² - 12 + 9x =

-15x² + 29x - 12

(m² + 3n²)(2n² - m²) = 2m²n² - m⁴ + 6n⁴ - 3m²n² =

-m²n² - m⁴ + 6n⁴