210*110
210*115
(2a+3b)^2-2(2a+3b)(3b-a)+(3b-a)^2 ; assume a=(2a+3b) and b=(3b-a)
Solve x in the rational equation: x2−4xx−2=14−9xx−2
15^a=3^a+1
25^a=?
420*115
16*7
find the number of terms of an arithmetic series such that the sum is negative 8,common difference is 2 and the last term is 6.
graph f(x) =4x-6+1
X square plus one by X Square where X equals to 7-4 root three