Question

Find the product of (r- 1) (r + 2) of maths​

Answer 1

Answer:

r²+2-r-2

r²-r

r(r-1)

Step-by-step explanation:

i hope you understand

Answer 2

$\huge \mathcal \red{here \: is \: your \: answer}$

$(r - 1)(r + 2) \\ {r}^{2} + 2r - r - 2 \\ {r}^{2} + r - 2$

Step-by-step explanation:

Hope you understand