Question

蘿莉莉

求解🆘

(1) 15 (x-2)²+2 (x-1)
= 1-5(x² - 4x + 4)+>X->
=L-5X2+20%-20+29-2
=-21+22X-5(²

(2)(x+1)(x+2)-(x+3)(x+4)
=+2+2x+4九+3+12
= 102+14

Answer 1

✨ ベストアンサー ✨

Ny-Ålesund

(1) 沒錯
(2) 如圖

蘿莉莉

謝謝💗