6x[7+5x]
the line y=2x+8 meets the curve y^2+8x=0 at P and Q.find the midpoint of AB
(x^2-3x)/4 =10
x=
13 $a^{2}$ + 2 $a^{3}$
solve the following linear eqoation 7x-2y=5 , 8x+7y=15 and verify your answer
3x^2 +11x - 20 =0
3x^2 +7x - 20 =0
solve n^2 = 4( 4n + 9 )
n=
n^2 = 4(4n + 9)
n^2 =4(4n + 9)
