New posts in algebra-precalculus

Finding the maximum value without using derivatives

What skill do I lack to factor multivariate polynomials?

How would you find the exact roots of $y=x^3+x^2-2x-1$?

Solve this equation: $3^{3x} - 3^x = (3x)!$

Can the notion of "squaring" be extended to other shapes?

Can not derive $\cos (x + y)$

Factor $x^4 - 11x^2y^2 + y^4$

Helping my daughter with her homework: solving an algebra word problem. [closed]

Intuition behind logarithm change of base

Determine all functions satisfying $f\left ( f(x)^{2}y \right )=x^{3}f(xy)$

Solution to $1-f(x) = f(-x)$

A geometric look at $\frac{1}{a}+\frac{1}{b}=\frac{1}{c}$?

Are all quadratics factorable into a product of two binomials?

Are the equations $2x - 2y = 11, x = y - 2$ unsolvable?

Find $S = \frac{a}{b+c}+\frac{b}{c+a} + \frac{c}{a+b}$ if values of $a+b+c$ and $\frac1{a+b}+\frac1{b+c}+\frac1{a+c}$ are given

How to calculate $z^4 + \frac1{z^4}$ if $z^2 + z + 1 = 0$?

How to find out which number is larger without a calculator?

Without using a calculator and logarithm, which of $100^{101} , 101^{100}$ is greater?

relation between roots and coefficient in a cubic polynomial

Find the maximum value of E(x,y) [closed]