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7x square +3x -4 =0

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7x square +3x -4 =0

Posted by Anishka Khari 7 years, 5 months ago

CBSE > Class 10 > Mathematics

3 answers

Anurag Ojha 7 years, 5 months ago

Sorry x= -1

0Thank You

Anurag Ojha 7 years, 5 months ago

X=1 and x=4/7

0Thank You

Amisha Aman 7 years, 5 months ago

7x^2+3x-4=0 7x^2+7x-4x-4=0 7x(x+1)-4(x+1)=0 (7x-4)(x+1)=0 x=4/7 nd x =-1

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CBSE > Class 10 > Mathematics