a-b=4
a-d=6
c=3
-12(d-e)-4(c-e)=0
-2a-4(b-c)-12(d-e)=0
fully simplify u(6u+5)-u(u+3)
un elemento reactivo que decae en su crecimiento F(x) despues de un tiempo t en años, satisface la formula F(t)=60.2 $a^{b}$ -0,00...
f(x)=6x-9 find f(a+h)-f(a)/h
5a+7b=17
a=1−3b
x-2x-15=0
prove that the roots of the equation
1/x-1+2/x-2+3/x-3=x
2x-3=x
Ten times 40% of a number is equal to 4 less than the product of 6 times the number , what is the number?
##### 10.5x+4.9x^2-75=0