Question

Which algebraic expression is equivalent to the expression below?

(4x • 7)(5x • 6)

A.(4 + 5)(7 + 6)(x + x)
B.(4 • 5)(7 • 6)(x • x)
C.(4 • 5)(7 • 6)(2 • x)
D.(4 • 5) + (7 • 6) + (x • x)

Answer 1

Probably need to multiply everything out. I dont know a formula for that form

Answer 2

its b

Answer 3

when you multiply out, you get 28x * 30x=840x^2
and if you work out option b, you will get same thing