What is the intermediate step in the form (x + a)² = b as a result of completing the square for the following equation? x² + 12x = -20

Q: Solve: (2x – 3)3 + 3 = 0.

A:

Q: -1

A: Graph of the circle is given, we have to find its equation. First from the given graph it is…

Q: Write the quadratic equation in standard form: -7x + x2 = -3x? + 6

A:

Q: 2. X-7 4x+1 3.

A: NOTE: Refresh your page if you can't see any equations. . as we know denominator cannot be zero…

Q: Find PQ. 8x – 27 4x + 33

A: We find length PQ

Q: solve : 4[2p – (3 – p) + 5] = -7p - 2

A: Given : 4[2p – (3 – p) + 5] = -7p - 2

Q: Amery's books can be modeled by the equation 2x + 3y = 60, where x- the number of 2 pound books and…

A:

Q: Is 3m+8=15 is quadratic?

A: Quadratic Equation: The Quadratic equation is defined as a polynomial whose highest degree is 2.…

Q: Solve: (3x – 1)3 + 4 = 0.

A: We solve the equation as,

Q: (2x² – 3x + 1)(2x² + 5x + 1) = 9x?

A:

Q: start by subtracting 32 from both sides. What remains on each side of the equation? 3x + 8 = 4 + 3x…

A: 3x+8=4+3xsubtracting  3x from both sides

Q: complete the squre -8x2-24x+16

A: Given,

Q: If the age of the phantom ship 15 years ago was 'z', find the present age of the ship by using the…

A: 15 years the age of the ship was = z years  We have to find the present age of the ship using the…

Q: divide and simpify 6m3-14m2+28m/7m=

A:

Q: Solve: √(x + 7) + 5 = x.

A: Given equation - x+7+5 = xx+7 = x-5On squaring both sides - x+72 = x-52x+7 = x2+25-10xx2+25-10x-x-7…