Question

Simplify the expression (4x − 3)(x + 5).

Answer 1

4*x^2-3*x+20*x-15
=4*x^2+17*x-15

Answer 2

use FOIL :)

Answer 3

It's simple multiplication, first, multiply 4x-3 with x, then with 5 and add.

Answer 4

(4x)(x)+(4x)(5)-(3)(x)-(3)(5)=? simplify :) combine like terms :D

Answer 5

(4x-3)(x+5)
\[4x ^{2}+20x-3x-15\]
\[4x ^{2}+17x-15\]

Answer 6

its like (a+b)(a+c) =
a(a+c)+b(a+c)
\[a ^{2}+ac+ba+bc\]

Answer 7

I THINK ITS BETTER IF YOU ALSO LET HIM/HER DO HIS PART :/ TSK ITS THE MATTER OF TEACHING HIM, NOT GIVING THE ANSWER RIGHT AWAY