Question

Y=3(x+5)(x-2)
How can i solve in Algebra and function

Answer 1

Answer: Y=3x^2+9x-30

Explanation:

Y=3(x+5)(x-2)

Y=3(x*x-2*x+5*x-2*5) ==> distribution of (x+5)(x-2)

Y=3(x^2-2x+5x-10)

Y=3(x^2+3x-10)

Y=3x^2+9x-30