Math, asked by sanket3183, 1 year ago

solve completing square method plzzz ​

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Answered by SakshiRao36
1

2x^2 - 6x - 4

2x^2 - 4x - 2x - 4

2x (x - 2) 2(x - 2)

( 2x + 2) ( x- 2)


sanket3183: solve in book
Answered by harsh1300135
1
2x^2-6x-4=0

dividing whole equation by 2

x^2-3x-2=0

x^2-3x+(3/2)^2-(3/2)^2-4=0

[x-(3/2)]^2=(3/2)^2+4

[x-(3/2)]^2=9/4+4

=(9+16)/4

=25/4

x-3/2=±5/2

x=±5/2+3/2

x=8/2 or -2/2

x=4 or -1
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sanket3183: solve in book plzz
sanket3183: plz. bro
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