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Set 41 — Quadratic — Factorisation I
Set 41 — Quadratic — Factorisation I
10 questions · 📖 Tutor Mode · ⏱ 15 min
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Quadratic — Factorisation I
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WAEC 2019
Solve: x² + 5x + 6 = 0
A.
x = −2 or x = −3 (find two numbers: product=+6, sum=+5 → 2 and 3. (x+2)(x+3)=0)
B.
x = 2 or x = 3
C.
x = −1 or x = −6
D.
x = 1 or x = −6
E.
x = −5 or x = 6
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