Ответ:
Объяснение: (а+в)²=а²+2ав+в² (а-в)(а+в)=а²-в²
(x+4)²-(x-2)(x+2)=х²+ 8х+16 -(х²-4)=х²+ 8х+16-х² +4=8х+20
(x + 4)² - (x - 2)(x + 2) = x² + 8x + 16 - (x² - 4) =x² + 8x + 16 - x² + 4 = 8x + 20
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Ответ:
Объяснение: (а+в)²=а²+2ав+в² (а-в)(а+в)=а²-в²
(x+4)²-(x-2)(x+2)=х²+ 8х+16 -(х²-4)=х²+ 8х+16-х² +4=8х+20
Verified answer
(x + 4)² - (x - 2)(x + 2) = x² + 8x + 16 - (x² - 4) =x² + 8x + 16 - x² + 4 = 8x + 20