" 28."x^(2)+6x-(a^(2)+2a-8)=0

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

Solve each of the following quadratic equations: x^(2)+6x-(a^(2)+2a-8)=0

If the circle x^(2) +y^(2) -6x -8y+( 25-a^(2) ) =0 touches the axis of x, then a equals.

Solve 3x^(4) -8x^(3) -6x^(2) + 8x + 3 = 0 .

solve : 16x^(4)- 28x^(2) - 8 = 0

Find the values of x satisfying log_(x^(2)+6x+8)log_(2x^(2)+2x+3)(x^(2)-2x)=0 is