Find the value of a if the value of `2x^2+3x-a` is equal to 6 when x=-2.

What should be the value of a if the value of 2x^2+x-a equals to 5, when x=0 ?

(i) If 2x + 1 is a factor of 2x^2+ ax- 3, find the value of a. (ii) Find the value of k, if 3x -4 is a factor of expression 3x^2+ 2x -k.

Find the value of x in 3x = 2x + 18

Find the value of x^3-8y^3-36 x y-216 , when x=2y+6.

Find the value of x^3-8y^3-36 x y-216 , when x=2y+6.

Find the value of a , if x-a is a factor of x^3-a^2x+x+2

Simplify the expressions and find the value if x is equal to 2 (i) x+7+4(x-5) (ii) 3(x+2) +5x-7 (iii) 6x+5(x_2) (iv) 4(2x-1)+3x+11

Draw the graph of equation x+2y-3=0 . From the graph find x_(1) the value of x, wheny=3 (ii) x_(2) , the value of x, when y=-2

Find the value of k , if x+3 is a factor of 3x^2+k x+6.

Find the value of x , y 2x+3y=6 3x-2y=4 .