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# completing the square watch

1. 1). Express x^2+2x+7 in the form (x+p)^2+q

2). Hence show that x^2+2x+7 is always positive.

can someone do question 2 step by step thank you
2. (Original post by rimshs16)
1). Express x^2+2x+7 in the form (x+p)^2+q

2). Hence show that x^2+2x+7 is always positive.

can someone do question 2 step by step thank you
Squares are always greater than or equal to 0 and the +8 ensures it is positive
3. (Original post by 123Master321)
Squares are always greater than or equal to 0 and the +8 ensures it is positive
thank you

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