3.) rewrite r(x) in expanded form

Answer:
Step-by-step explanation:
r(x)= (x-3)(x+5)
= x²+5x-3x-15
=x²+2x-15
Answer:
[tex]{\huge{\pink{\underline{\underline{QuEsTiOn}}}}}[/tex]
rewrite r(x) in expanded form
[tex]{\huge{\pink{\underline{\underline{SoLuTiOn}}}}}[/tex]
[tex](x-3)(x+5)\\
=>x(x + 5) - 3(x + 5) \\
= > {x}^{2} + 5x - 3x + 15\\
=> {x}^{2} + 2x + 15 [/tex]