F(x) = x² + 4x - 1
f(x) = x² + 4x + 4 - 4 - 1
f(x) = (x + 2)² - 5
Answer:
(2x+5)
Step-by-step explanation:
2x^2 + 7x + 5 = (x + 1) (?)
Must multiply to 10 and add to 7:
5 and 2
(2x^2+2x)(5x+5)
2x(x+1)5(x+1)
(2x+5)(x+1)
Hope this helps! Please mark brainliest :)
Answer:
If i'm correct the answer is
156
Step-by-step explanation:
10+2=12
12*13=156
Answer:
3:15 just swap the numbers around and put this sign (:)