Answer:
2x² + 5x - 3
Step-by-step explanation:
(x + 3)(2x - 1)
Use FOIL
First terms
x * 2x = 2x²
Outer terms
x * -1 = -x
Inner terms
3 * 2x = 6x
Last terms
3 * -1 = -3
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FOIL
2x² - x + 6x - 3
Combine like terms
2x² + 5x - 3
Answer:
1) 1.267x10^9
2) 2
Step-by-step explanation:
The 3rd one which is the division sign