Question

solve
9 x square - 6 a x +( a square minus b square) = 0
factorization

Answer 1

Divide each term by 9 9 and simplify. Divide each term in 9x2−6x=2 9 x 2 - 6 x = 2 by 9 9 . Divide x2 x 2 by 1 1 to get x2 x 2 . To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b , the coefficient of x x .

Square Roots and Completing