Answered

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x² – 14x - 49 = 0

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

Sagot :

denishsaud1205

Answer:

[tex]{x}^{2} - 14x - 49 = 0[/tex]

[tex] {x}^{2} - (7 + 7)x - 49 = 0[/tex]

[tex] {x}^{2} - 7x - 7x - 49 = 0[/tex]

[tex]x(x - 7) + 7(x - 7) = 0[/tex]

[tex](x - 7)(x + 7) = 0[/tex]

NOW,

x-7=0

or,x=7

And,

x+7=0

or,x= -7

THEREFORE, x= 7, -7

hope it helps you,

make me brainliest plz

Answer:

the value of x= plus minus 7

hope it helps you

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