I cant see the underlined word
<span>C is the correct answer. There is an understood you as follows: “for once in your life, [you should] try something new and exciting”. ‘For once in your life’ in this sentence is an adjunct and is extra information given to emphasise the strength of the speaker’s feelings.</span>
(2x-3)(x+7)=
2x^2 + 14x - 3x - 21=
2x^2+11x-21.
Yes it is because goals give you something to live up to.
