Factor the polynomial by its greatest common monomial factor. 20y^6-15y^4+40y^2=20y 6 β15y 4 +40y 2 =20, y, start superscript, 6, end superscript, minus, 15, y, start superscript, 4, end superscript, plus, 40, y, squared, equals
The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side