# How do you write 10x(9x^2 + 6x + 7)  in standard form?

May 25, 2016

$\implies y = 90 {x}^{3} + 60 {x}^{2} + 70 x$

#### Explanation:

Multiply everything inside the rackets by $10 x$

$\implies y = 90 {x}^{3} + 60 {x}^{2} + 70 x$

If it is required that the constant term is included then you have:

$\implies y = 90 {x}^{3} + 60 {x}^{2} + 70 x + 0$