Algebraeasy · Past Paper
Factorize a^2 - 49.
A(a-7)^2
B(a+7)^2
C(a-7)(a+7)
D(a-49)(a+1)
✓ Correct Answer: C — (a-7)(a+7)
Difference of squares: a^2 - 7^2.
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✓ Correct Answer: C — (a-7)(a+7)
Difference of squares: a^2 - 7^2.
Share this question