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Mathematics, 27.09.2019 12:30 william03300

Which algebraic expression is equivalent to the expression below?
10(4x + 3) - 9x a. 31x + 30 b. 31x - 3 c. 40x + 21 d. 49x + 30 i feel the answer is b. but i'm not sure. if someone could type out the equation, that'd be great

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Which algebraic expression is equivalent to the expression below?
10(4x + 3) - 9x a. 31x + 30...
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