Question

When A (squared) + A-3 is subtracted from 3a (squared) -5, the result is...

A) 2a (squared) -a-2
B) 2a (squared) a+2
C) -2a (squared) +a+2
D) 4a (squared) +a+8
E) None of the above

This is 10th grad mathematics

Answer 1

answer is A) 2a (squared) -a-2

3a^2 - 5 - (a^2 + a -3)
=3a^2 - 5 - a^2 - a + 3
=2a^2 - a -2

Answer 2

(a^2+a-3)-(3a^2-5)= -2a^2+a+2

C. is the answer

Hope it helps.