Calculate the result of the expression $(7y^2 + 12y + 3) − (4y^2 + 3y − 5)$ . Which of the following expressions represents the result of this subtraction?

Correct answer marked below

3y^2 + 9y + 8

Correct

3y^2 + 9y − 2

3y^2 + 15y + 8

3y^2 + 15y − 2

11y^2 + 9y + 8

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Official Explanation

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[m](7y^2 + 12y + 3) − (4y^2 + 3y − 5) = (7y^2 + 12y + 3) − 4y^2 − 3y + 5 = (7y^2 −…

Comments

FfJul 27, 2024

thanks!

AmlanSep 25, 2024

thank you taking time to upload it!

What this question tests

Your command of divisibility, primes, factors, parity, and how the GMAT tests properties of integers.

Forgetting that 1 is not prime, that 0 is divisible by every integer, or that negative numbers flip your assumptions.