(A) To find the solution of the quadratic equation $x^{2} + 7x + 12 = 0$,we factorize the quadratic expression:$x^{2} + 4x + 3x + 12 = 0$$x(x + 4) + 3

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(A) To find the solution of the quadratic equation $x^{2} + 7x + 12 = 0$,we factorize the quadratic expression:$x^{2} + 4x + 3x + 12 = 0$$x(x + 4) + 3(x + 4) = 0$$(x + 4)(x + 3) = 0$Setting each factor to zero:$x + 4 = 0 \implies x = -4$$x + 3 = 0 \implies x = -3$Comparing this with the given options,$-3$ is a solution.

Class 10 Mathematics Quadratic Equations Mix Examples - Quadratic Equations

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$x = \dots$ is a solution of the quadratic equation $x^{2} + 7x + 12 = 0$.

A
$-3$
B
$4$
C
$7$
D
$3$

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Mix Examples - Quadratic Equations

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$x = \dots$ is a solution of the quadratic equation $x^{2} + 7x + 12 = 0$.

Similar Questions

If the following quadratic equation has two equal and real roots,then find the value of $k$: $x^{2}-(k+10)x+9(k+1)=0$.

The roots of the quadratic equation $x + \frac{2}{x} = 3$ are $\dots$ $(x \neq 0)$.

Obtain the roots of the following equation using the method of 'completing the square': $6x^2 + 11x + 3 = 0$

The golden number $\frac{1+\sqrt{5}}{2}$ is one of the solutions of ...... .

If one root of $x^{2}-5x+6=0$ is also the root of $x^{2}+3x+c=0$,then $c = \ldots$

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