12x+7x+1
(-4a^2+3ab+6b^2) +(-2a^2+2ab-5b^2)=
(0.9/x)/(1+(0.1/x^2)) = 0.105
expand 7+20(y-1)-3(y-1)^2
factorise 15pq-5q
factorise x^2 +4x-12
simplify (n+2)^2 - (n-1)^2
factorise 2x^4 + 7x^3 - 15x^2
fac...
solve by guass jordan method, 2x1 -3x2 +7x3 =1, 4x1+5x2-3x3 = 4, 10x1 -4x2 +18x3 = 7,
find the x
(0.9/x)/(1+(0.1/x^2)) = tan(6)
2x(x^2-7)-4(x^2=2)=-3x^2-9x-6
Solve for x
5 DIVIDED BY 6
24000=x/6
solve for x
