Question

solve by completing the square method x²-14x-51=0 please answer me step by step with full explanation and plss answer me fast. ​

Answer 1

Answer:

Add 51 to both sides of the equation. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b . Add the term to each side of the equation. Simplify the equation.

Answer 2

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Solve by Completing the Square x^2+14x-51=0

x2+14x−51=0x2+14x-51=0

Add 5151 to both sides of the equation.

x2+14x=51x2+14x=51

To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of bb.

(b2)2=(7)2(b2)2=(7)2

Add the term to each side of the equation.

x2+14x+(7)2=51+(7)2x2+14x+(7)2=51+(7)2

Simplify the equation.

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x2+14x+49=100x2+14x+49=100

Factor the perfect trinomial square into (x+7)2(x+7)2.

x=3,-17