Question

Expand. If necessary, combine like terms. (x+3)(x-3)=

Answer 1

Answer:

${x}^{2} - 9$

Step-by-step explanation:

$(x−3)(x+3)$

$x(x+3)−3(x+3)$

$x \times x+x \times 3−3x−3 \times 3$

$x \times x−3 \times 3$

${x}^{2} - 9$

Hope it is helpful....