
How do you solve ?
Answer
473.4k+ views
Hint: As the given is the quadratic equation so we will solve it by using the quadratic formula. We know that for an equation of the form the quadratic formula is given as . By substituting the values and solving further we will get the desired answer.
Complete step-by-step solution:
We have been given an equation .
We have to solve the given equation.
We know that quadratic formula for the general equation is given as .
Now, by comparing the given equation with general equation we get the values
Now, substituting the values in the formula we will get
Now, simplifying the above obtained equation we will get
Now, simplifying the above obtained equation we will get
Now, considering both signs one by one we will get
Now, simplifying the above obtained equation we will get
Hence we get the solution of the given quadratic equation as .
Note: Alternatively we can also solve the given equation by splitting the middle term and find the factors. Then we can equate each factor to zero and solve the equation for x.
We have .
Now, splitting the middle term of the given equation we will get
Now, simplifying the above obtained equation we will get
Now, taking common terms out we will get
Again taking common factor out we will get
Now, equating each factor to zero we will get
Hence above is the required solution.
Complete step-by-step solution:
We have been given an equation
We have to solve the given equation.
We know that quadratic formula for the general equation
Now, by comparing the given equation with general equation we get the values
Now, substituting the values in the formula we will get
Now, simplifying the above obtained equation we will get
Now, simplifying the above obtained equation we will get
Now, considering both signs one by one we will get
Now, simplifying the above obtained equation we will get
Hence we get the solution of the given quadratic equation as
Note: Alternatively we can also solve the given equation by splitting the middle term and find the factors. Then we can equate each factor to zero and solve the equation for x.
We have
Now, splitting the middle term of the given equation we will get
Now, simplifying the above obtained equation we will get
Now, taking common terms out we will get
Again taking common factor out we will get
Now, equating each factor to zero we will get
Hence above is the required solution.
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