expand and fully simplify 2(3x+1)-5(3x+1)
30:45::50:x
(2x÷4)-8=-7
solve the following;
2x*2+ y*2 = 19 ……1
X + 3y = 0 …………2
$r1^{2}$ =( $x^{2}$ + $y^{2}$ )
$r2^{2}$ =(6- $x^{2}$ )+ $y^{2}$
substitute above equations in below equation
r2 - 2r1
(2x÷4)+4=-9
what is the area of a triangle which has a base of 15cm and a perpendicular hight of 12 cm
The point of contact of the tangent line x-2y+12 = 0 with the circle x^2+y^2-x-31 = 0 is at (-2, 5)
45/30
expand and fully simplify x(y+2)-y(x-2)
