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

Sagot :

7x^2 − 21 −280
= 7x^2 + −21 + −280

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

2

2
1

2
8
0
7
x
2

21

280
7x2−21−280
7

2

3
0
1