Multiply out and simplify (x+5)(x-1)

x^2+4-5

Step-by-step explanation:

the first box multiply the next box

x^2-1x+5x-5

x^2+4x-5

Hi! Let's get solving. :D

Okay.. This is a double bracket, so use the '' Waves '' method to expand the bracket. I don't mean to be lazy, but it's kinda hard to explain the working here, so here's a brilliant video that explains this method:

https://youtu.be/Dvo1Q-yBBhk

(Cognito is a brilliant source for KS3, KS4 revision!)

X^2+4−5

Stay safe! :)

Note: I'm not a maths expert, please double check your answer.

b

step-by-step explanation:

the total is 23.97. 0.25% is off so you have to subtracting 25% from 100% and you will get 75% if you convert it to decimal you will get 0.75. you have to find the original because the formula is % times original = total.so you have the total and the % so you just have to plug it in.

answer: options?

step-by-step explanation: