Follow the process of completing the square to solve 2x2 + 8x - 12 = 0. after adding b2 to both sides of the equation in step 4, what is the constant on the right side of the equation? a. -32 b. 112 c. 160

constant = -12

Step-by-step explanation:

Let the given equation be

2x² + 8x - 12 = 0     (1)

Here B² =(2√2)^2 = 8

Add 8 in both sides  of (1)

Step1 :  2x² + 8x  + 4 = 12  + 4

Step 2:  x² + 4x + 4 = 16

step 3 : x² + 4x + 4 - 16 = 0

Step 4:  x² + 4x - 12 = 0  ---(4)

From the (4) we get constant = -12

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

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step-by-step explanation: