Question

${ax}^{2} + bx + c = 0$
Solve this problem....✔✔✔



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Answer 1

$\color{plum} {\tt {\bigstar}} \ \displaystyle {\tt{Solution:-}}$

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Multiplying both sides by 4a

$4a^2x^2 +4abx + 4ac =0$

or, $(2ax) ^2 + 2(2ax) b+b^2-b^2+4ac=0$

$(2ax+b) ^2=b^2 -4ac$

Now, taking square root of both sides,

$2ax + b = \frac{ - b\pm \sqrt{ {b}^{2} - 4ac}}$

$2ax = \frac{ - b \pm\ \sqrt{ {b}^{2} - 4ac }}$

$\therefore \: x = \frac{ - b \pm\ \sqrt{ {b}^{2} - 4ac }}{2a}$

$\large\underline\mathtt{♡Be Brainly♡}$

Answer 2

Answer:

The Quadratic Formula can be used to solve any quadratic equation of the form ax2 + bx + c = 0. The form ax2 + bx + c = 0 is called standard form of a quadratic equation.