Question

(c) From 18st + st² + 5, take away 15st + 3st – 10 ​

Answer 1

Answer:

$18st\:+\:st^2\:+\:5-\left(15st\:+\:3st\:-\:10\:\right)$

$18st\:+\:st^2\:+\:5-\left15st\:-\:3st\:+\:10\:\right$

$18st-15st-3st+st^2+5+10$

$st^2+15$

$@rohangupta0424$