Practice problem
Which of the following expressions are equal to x2yz3z4+x2y3x^2yz^3z^4 + x^2y^3x2yz3z4+x2y3?
x2y3+x2yz7x^2y^3 + x^2yz^7x2y3+x2yz7
x2y(y2+z7)x^2y(y^2+z^7)x2y(y2+z7)
x2(y3+yz3)x^2(y^3+yz^3)x2(y3+yz3)
x2(y3+yz7)x^2(y^3+yz^7)x2(y3+yz7)
y(x2y2+x2z7)y(x^2y^2+x^2z^7)y(x2y2+x2z7)
x2(z3+yx3)x^2(z^3+yx^3)x2(z3+yx3)
Type a concept, like “slope” or “photosynthesis”.
