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Mathematics 23 Online
Denis:

I'm confused what to do. I think i'm supposed to put them both in parentheses and distribute them but im just not sure. Can you help me?

Denis:

crispyrat:

u r right (x+4)(x+5) so its (x)(x+5)+4(x+5) can you do that?

Denis:

Yes i can try hold on

Denis:

srry i get meh calculator

Denis:

so it would be x^2+20

crispyrat:

no (x)(x+5)--> first can you do this part?

Denis:

uhhhhh is that x times x plus 5

crispyrat:

yes

crispyrat:

or x(x)+x(5)

Denis:

okay. So it would be.. 2x + 5

Denis:

THis is soooo confusing

crispyrat:

no it not? x*x=x^2 and 5*x=5x?

crispyrat:

then just do 4(x)+4(5)

Denis:

hmmmm its hard for me to know what the signs are on a computer tbh but im trying to learn and listen to u

crispyrat:

^2 is the same as a exponent?

Denis:

okay

crispyrat:

4(x)+4(5)-->expand this pls

Denis:

X times X, for the first part

crispyrat:

yes 4(x)+4(5)-->expand this the add what you get to x*x+5x?

Denis:

x times x would either be 2x or X the power of2

crispyrat:

no it would only be x to the power of 2 4(x)+4(5)--> this is the second step of the equation please expand or else you cant continue

Denis:

okay

Denis:

wait lemme think. 4 times 5 is 20

Denis:

right?

crispyrat:

yes xd

crispyrat:

what about 4(x)?

Denis:

srry im at lunch

Denis:

tha would be 4^2

crispyrat:

no 4(x) is just 4*x now we have x^2+4x+5x+20-->can you add like terms?

Denis:

SRRY BRB

Denis:

OK back ok so we are gonna do OOOOOOH

Denis:

thank you its clear now

Denis:

ok so we do x^2+20x+20

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