Question

find the value of x: x squar-3x-10=0​

Answer 1

Answer:

x=5 or x=−2

Step-by-step explanation:

x^2−3x−10=0

For this equation: a=1, b=-3, c=-10

1x^2−3x−10=0

x= −b±√b2−4ac/2a

x= −(−3)±√(−3)2−4(1)(−10)/2(1)

x=3±√49/2

x=5 or x=−2

Answer 2

The Answer is:

x= -2 ; 5

Step-by-step explanation:

$x^{2} - 3x -10=0\\=> x^{2} + 2x - 5x -10=0\\=> x (x + 2) - 5(x+2)=0\\(x-5)(x+2)\\x=5, -2$

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