Question

B) Find the roots of quadratic equation x2 - 7x + 10 = 0.​

Answer 1

Answer:

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X²- 7X+10=0

X²-5X-2X+10=0

x(x-5) -2(x-5)=0

(x-2) (x-5) = 0

x-2= 0 x-5= 0

x= 2 x = 5

2and 5 are the roots ..

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Answer 2

The roots of quadratic equation are 5, 2.

Given - Equation

To find - Roots

Solution - The roots of quadratic equation can be known by solving the equation.

x² - 5x - 2x + 10 = 0

x (x - 5) - 2 (x - 5) = 0

(x - 5) (x - 2)

Now, both the values in brackets equals zero. Hence, finding value of x.

x - 5 = 0

x = 5

x - 2 = 0

x = 2

Therefore, x = 5, 2

Hence, the roots of quadratic equation are 5 and 2.

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