Completing the Square Practice

What should be added on both sides of the equation $$x^2+6x = 7$$ ? Remember $$\left(\frac{b}{2}\right)^2$$ .

Given the equation, what should be added on both sides? $$x^2+8x =9$$ Remember $$\left(\frac{b}{2}\right)^2$$

What should be added on both sides of the equation $$x^2-12x = 21$$ ? Remember $$\left(\frac{b}{2}\right)^2$$ .

Given the equation $$x^2+24x = 15$$ , what should be added on both sides? Remember $$\left(\frac{b}{2}\right)^2$$ .

Given the equation, what should be added on both sides? $$x^2-10x = 15$$ Remember $$\left(\frac{b}{2}\right)^2$$

What is the next line when completing the square?
$$x^2+8x+16 = 9+16$$

What is the next line when completing the square?
$$x^2-6x+9 = -5+9$$

What is the next line when completing the square?
$$x^2-12x+36 = -11+36$$

Complete the square: $$x^2+20x+100 = 21+100$$

What is the next line when completing the square? $$x^2-4x+4 = 5+4$$