Expand and simplify (x-3) (x+7)

Question

Mathematics

Kyra

17 June, 19:54

Expand and simplify (x-3) (x+7)

+5

Answers (2)

Know the Answer?

Sellers · Answer 1

Let's multiply each term for the other one.

I mean: x*x; x+7; - 3*x; - 3*7

So x²+7x-3x-21

We add up like terms.

Final answer: x²+4x-21

Alicia Blevins · Answer 2

X (x+7) - 3 (x+7)

x² + 7x - 3x - 21

x² + 4x - 21

that's the answer

if you understand and it's correct. don't forget to make my answer the brainliest