Algebraeasy · Past Paper

Factorize x^2 + 2x - 15.

A(x+5)(x-3)
B(x-5)(x+3)
C(x+15)(x-1)
D(x-15)(x+1)

✓ Correct Answer: A(x+5)(x-3)

Multiply to -15, add to 2: 5 and -3.

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