Solve [tex]x^2 - 14x + 21 = 0[/tex] by completing the square.

To solve the equation x² - 14x + 21 = 0 by completing the square, we transform it into a perfect square trinomial and then take the square root of both sides to solve for x. The solutions are x = 7 + √28 and x = 7 - √28. ;

Answered by ToddBoyce | 2024-06-18

To solve the equation x² - 14x + 21 = 0 by completing the square, follow these steps: move the constant term, complete the square, take the square root, and solve for x. ;

Answered by srangoli003 | 2024-06-18

To solve the equation x 2 − 14 x + 21 = 0 by completing the square, isolate the quadratic term, complete the square, rewrite the quadratic as a perfect square, and solve for x . The solutions are x = 7 + 2 7 ​ and x = 7 − 2 7 ​ .
;

Answered by ToddBoyce | 2024-10-12