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" 6."2x^(2)-(3+7i)x-(3-9i)=0...

" 6."2x^(2)-(3+7i)x-(3-9i)=0

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Solve: 2x^2-(3+7i)x-(3-9i)=0

Solve 2x^2-(3+7i)x-(3-9i)=0.

Solve the following equations : (i) 2x^(2)-(3+7i)x-3+9i=0 (ii) (2+i)x^(2)-(5-i)x+2(1-i)=0

Solve the following quadratic equation: 2x^(2)-(3+7i)x+(9i-3)=0

Solve the following equation : 2x^2-(3 +7i)x + (9i-3)=0 .

Solve the following quadratic equation: \ 2x^2-(3+7i)x+(9i-3)=0

Solve: 2x^2-(3+7i)x-3+9i=0

Factorise (i) x^(2)+9x+18 " " (ii) 6x^(2)+7x-3 (iii) 2x^(2)-7x-15 " " (iv) 84-2r-2r^(2)

Factorise (i) x^(2)+9x+18 (ii) 6x^(2)+7x-3 (iii) 2x^(2)-7x-15 (iv) 84-2r-2r^(2)