To find any extraneous solutions for the radical equation 1/x^2 - 4x -21 = 1/ x - 7, what steps must you follow? Select all that apply. A. cross multiply. B. test solution using the elimination method. C. Factor and solve for x. D. move all terms to the same side of the equation so that the equation equals zero

Q: Solve for x and y.

A: We use multiplication operation on matrix and use equality of mattix

Q: Solve for A.

A: This means that the product of matrix A with another matrix given an identity matrix. Therefore the…

Q: 2. Change the fbllowing "factored form" equations, into "standard form." y (x + 4)(x - 7) b. y = (x…

A: Standard form

Q: solve for w. 9- the square root of w = the square root of w-27

A: solve for W

Q: 7= -3/4x-5  solve for x.

A: