ICSE Class 10 Answered
x^2 + 7x + 12 = 0
Asked by teacher_yourschool | 09 Jun, 2020, 01:13: PM
Expert Answer
x2 + 7x + 12 = 0
→ x2 + 3x + 4x + 12 = 0
→ x (x + 3) + 4(x + 3) = 0
→ (x + 3)(x + 4) = 0
→ (x + 3) = 0 or (x + 4) = 0
→ x = -3 or x = -4
Answered by Yasmeen Khan | 09 Jun, 2020, 02:10: PM
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