Algebramedium · Past Paper
Simplify: (2x + 3)^2 - (2x - 3)^2.
A18
B24x
C8x^2
D0
✓ Correct Answer: B — 24x
Using (a+b)^2 - (a-b)^2 = 4ab, we get 4(2x)(3) = 24x.
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✓ Correct Answer: B — 24x
Using (a+b)^2 - (a-b)^2 = 4ab, we get 4(2x)(3) = 24x.
Share this question