(2/L)+(2/M)=
x^6-7x^5+15x^4-5x^3-16x^2+12x=?, x=-1,1
(2/L)*(2/M)=
(u+7)^2-72=0
10 + (8 ÷ 2 + 7) × 3
write 9 as a percentage
-
20
(y-8)^2-32=0
(3x)2
y
′′ − 2y
′ + y = 0, y(0) = 5, y
′
(0) = −9
(v+1)^2-16=0