2x2 + 8x = 10 is equivalent to which of the following? A. ( x + 2)²=9 B. (2x + 4)²= 10 C. (x + 4)²= 10 D. (x+ 8)²= 18

Question

asked Oct 11, 2020 63.7k views

1 Answer

Gwally · Answer 1 · 2020-10-16T02:20:55+0000

Answer:

A. ( x + 2)²=9

Explanation:

2x2 + 8x = 10 equivalent to :

x²+4x =5 ....(divid by2)

(x²+4x+4 ) - 4=5

(x +2)² - 4 = 5

(x +2)² =9...(add 4)