Question

Can anyone rewrite the quadratic function in standard form?

Answer 1

So we first open multiply the parenthesis by 9. 9x+5 is what it is. Now we need to simply it even more with the 2 parenthesis

(9x+5)(x+1) = 9x^2+9x+5x+5 = 9x^2+14x+5

Answer: 9x^2+14x+5