What equation results from completing of the square and then factoring? X^2+4x=5

Question

Wiggles

Mathematics

8 May, 12:43

What equation results from completing of the square and then factoring? X^2+4x=5

+1

Answers (1)

Know the Answer?

Troy Farrell · Answer 1

(x-1) (x+5) = 0

x=1; x=-5

Step-by-step explanation:

x²+4x=5

x²+4x+2²=5+2²

(x+2) ²=3²

(x+2) ²-3²=0

(x+2-3) (x+2+3) = 0

(x-1) (x+5) = 0

(x-1) = 0; x=1

(x+5) = 0; x = - 5