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Evgesh-ka [11]
3 years ago
12

(3x+7)(3x-7) if necessary combine like terms

Mathematics
1 answer:
34kurt3 years ago
3 0

Answer:

9x^2 -49

Step-by-step explanation:

We recognize that this is of the form

(a+b)(a-b) = a^2 - b^2

3x = a and 7 =b

(3x)^2 - 7^2

9x^2 -49

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Read 2 more answers
Algebraic expressions and translations<br> Solve -3+5×=8
vovangra [49]

Answer:

x = 11/5

Step-by-step explanation:

-3 + 5x = 8

5x = 8 + 3

5x = 11

x = 11/5

Mark me brainliest

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