Question

x square + 8 x + 2 equals to 22 by completing square method
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Answer 1

Answer:

x = -2 or x = 10

Step-by-step explanation:

x²+8x+2 = 22

=> x²+8x+2-22 = 0

=> x²+8x-20 = 0

=> x²-10x+2x-20 = 0

=> x(x-10)+2(x-10) = 0

=> (x+2)(x-10) = 0

=> x = -2 or x = 10