(x - 4)(x + 5) need help asap

asked Feb 5, 2021 72.6k views

3 votes

4.0k points

Please log in or register to add a comment.

1 vote

x (squared) +x−20

(x+−4)(x+5)=(x)(x)+(x)(5)+(−4)(x)+(−4)(5)=x(squared)+5x−4x−20=x2+x−20

4.2k points

3 votes

Answer:

x^2+x-20

Explanation:

$(x-4)(x+5)= \\\\(x)(x)+(5)(x)+(-4)(x)+(-4)(5)= \\\\x^2+5x-4x-20= \\\\x^2+x-20$

Hope this helps!

Krystian answered Feb 9, 2021

4.4k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.5m questions

5.9m answers