Question

(x-3)^2+x(x+9) simplify the expression

Answer 1

Answer:

$2x^2 + 3x +9$

Step-by-step explanation:

$(x-3)^2+x(x+9)$

$(x-3)^2$ = $(x-3)(x-3)$

$(x-3)(x-3)$

$x^2-3x-3x+9$

$x^2-6x+9$

$x(x+9)$

$x^2+9x$

$x^2-6x+9+x^2+9x$

$(x^2+x^2)+(-6x+9x)+9$

$2x^2 + 3x +9$

Hope this helps!

Answer 2

Step-by-step explanation:

Simplify.

Include the exponent:

$(x-3)(x-3)+ x(x + 9)={x}^{2} - 6x + 9 + x(x+9)$

Use the Distributive Property:

${x}^{2} - 6x + 9 + {x}^{2} + 9x$

Add and format the trinomial:

$2{x}^{2} + 3x + 9$