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Your problem is 3 (3x^2 + 1x - 5).
In a case like this, what you need to do is multiply each part of the polynomial by 3.
3 (3x^2) = 9x^2
3 (1x) = 3x
3 (-5) = -15
So, you are left with this:
9x^2 + 3x - 15
Seeing as how the question was answered already by the teacher above, I'll provide a calculator answer to the question with some explanations.
Your question: 3(3x^2 + x - 5)
= 3* (3x^2 + x -5)
by distributive property, you multiply 3 to all 3 the coefficients and constant.
A: 9x^2 + 3x - 15
On an SAT reasoning test, you might be asked to find the value of x (given that the question provided is in equation form) and knowing how to solve questions such as this one is the first step to solving actual test questions.
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