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Solve: 2x^2+a x-a^2=0...

Solve: `2x^2+a x-a^2=0`

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Verified by Experts

The correct Answer is:
`x=-a" or "x=(a)/(2)`

`2x^(2)+ax-a^(2)=0implies2x^(2)+2ax-ax-a^(2)=0`
`implies2x(x+a)-a(x+a)=0`
`implies(x+a)(2x-a)=0impliesx=-a" or "x=(a)/(2).`
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RS AGGARWAL-QUADRATIC EQUATIONS -Test Yourself
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  14. Solve : sqrt(3)x^(2)+10x-8sqrt(3)=0.

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  15. Solve for x sqrt3x^2-2sqrt(2)x-2sqrt3=0

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  16. Solve by factorization: 4sqrt(3)x^2+5x-2sqrt(3)=0

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  18. Solve x^(2)+5x-(a^(2)+a-6)=0.

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  19. Solve for x: x^2+6x-(a^2+2a-8)=0

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