THIS IS FOR WHOEVER LIKES OR IS GOOD IN MATHS ITS confusing. I’ll brainlist if!!!

jelly bean

Step-by-step explanation:

i cannot make a Venn-diagram on here so i will improvise

jelly bean | both | red

7                  3         5

another way to do it is:

a jellybean=7 not a jellybean=4 a red jellybean=3 red but not a jelly bean=2 not a jelly bean or red= 2

step-by-step explanation:

quartic functions has x = –1 and x = –2 as its only two real zeroes:

f(x) = a(x+2)(x+1)   a: real number