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SAT Math Practice Exam

Category - Mathematics - Medium

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Which of the following expressions is NOT equivalent to (a + b)(x+y) ?

(a + b)x + (a + b)y
a(x + y) + b(x+y)
(b + a)(y + x)
ax + by
ax + bx + ay + by

Explanation

Answer: D - ax + by

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SAT Math Practice Exam

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