If you factor y^2-81 COMPLETELY, would it just be (y-9)(y+9), or would it be something like y(3)(-3)y(3)(3)?

Question

25-11-2016
Mathematics

contestada

If you factor y^2-81 COMPLETELY, would it just be (y-9)(y+9), or would it be something like y(3)(-3)y(3)(3)?

Respuesta :

Otras preguntas

Covalent bonds are in the air you breathe and the water you drink. How are covalent bonds formed ? A) between atoms with more electrons than protons B) between

In what year did Chile become a democracy again?

The Aztecs adapted to their environment mainly by

Two numbers are in a ratio of 7:4. Their sum to s 220. Find the biggest number. Show your reasoning.

Aubrey was arrested outside of a store that had been robbed. Police say security cameras show her leaving the store at the time of the crime. What type of case

How do you work this out?

A passenger train leaves a train depot three hours after a freight train leaves the same depot. The freight train is traveling 16 mph slower than the passenger

1. What is x squared over 6=w-y if the subject of the formula is x??? Help please

How to calculate moments with 3 separate weights of different amounts at different points? 200N 100N

MissPhiladelphia MissPhiladelphia · Answer 1 · 2016-11-26T13:04:05+01:00

MissPhiladelphia MissPhiladelphia

26-11-2016

That would be (y - 9)(y +9). When two binomials are multiplied, the distributive property is applied. However, if the equation is y(3)(-3)y(3)(3), you just simply multiply them altogether. That would be -81y^2, which is not equivalent with y^2 - 81.

Answer Link