Question

factorise x2+7x+12.
${x}^{2} + 7x + 12$
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Answer 1

Answer:

x= -4,-3

Step-by-step explanation:

• x²+4x+3x+12=0
• x(x-4)+3(x+4)=0
• (x+4)(x+3)
• x= -4,-3