Question

x² – 14x - 49 = 0

solve the quadratic equation by using either a numeric or graphic approach​

Answer 1

Answer:

${x}^{2} - 14x - 49 = 0$

${x}^{2} - (7 + 7)x - 49 = 0$

${x}^{2} - 7x - 7x - 49 = 0$

$x(x - 7) + 7(x - 7) = 0$

$(x - 7)(x + 7) = 0$

NOW,

x-7=0

or,x=7

And,

x+7=0

or,x= -7

THEREFORE, x= 7, -7

hope it helps you,

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Answer 2

Answer:

the value of x= plus minus 7

hope it helps you