Answer:
x² + 3x - 28
Step-by-step explanation:
Each term in the second factor is multiplied by each term in the first factor
(x + 7)(x - 4)
= x(x - 4) + 7(x - 4) ← distribute both parenthesis
= x² - 4x + 7x - 28 ← collect like terms
= x² + 3x - 28
Answer:
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Step-by-step explanation:
Answer:
i think 9+(-4) and 9-4.
Explanation: i dont really know how to give an explanation. i hope this helps :)
If Maple Street is 3x Pine Street, then just divide the length of Maple Street by 3!
21 / 3 = 7 The answer is: Pine Street is 7 units long!
12.375 = (1 x 10) + (2 x 1) + (3/10) + (7/100) + (5/1000). Hope this helps..