Question

What is factor for 7x^2-21-280

Answer 1

7

2
−
2
1
−
2
8
0
7
x
2
−
21
−
280
7x2−21−280
7

2
−
3
0
1

Answer 2

7x^2 − 21 −280
= 7x^2 + −21 + −280

Then combine like terms:
= 7x^2 + −21 + − 280
= (7x^2) + ( − 21 + − 280)
= 7x^2 + −301