Please help, I will mark the first response as brainiest. Factorising Expressions

Factorising is the reverse of expanding brackets Expressions is done by these methods

talking common

making formula

Step-by-step explanation:

i hope this will help you :)

Factorising an expression is to write it as a product of its factors. There are 4 methods: common factor, difference of two squares, trinomial/quadratic expression and completing the square.

Hope it will help you!

Step-by-step explanation:

the y will be in still but your answer will be y x 3

step-by-step explanation:

jk: )

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )