`2x^2-7x-9=0`

4x^2-7x-2=0

Solve 2x^2-7x+3=0

If 2x^2-7x+5=0 , then what is the value of x^2+25/(4x^2) ? यदि 2x^2-7x+5=0 , तो x^2+25/(4x^2) का मान क्या होगा?

Which of the following are quadratic equations? x^(2)-6x+4=0( ii) 2x^(2)-7x=0

The number of real roots of 3^2x^2-7x+7=9 is (A) 0 (B) 2 (C) 1 (D) 4

lim_(x rarr-oo)(3x^(3)+2x^(2)-7x+9)/(4x^(3)+9x-2)

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

Show that the equation 9x^(2)+7x-2=0 has roots and solve it.

The domian of definition of f (x) = log _((x ^(2) -x+1)) (2x ^(2)-7x+9) is :