can u ans the q that are marked
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Step-by-step explanation:
may be it's help you...
please ignore right corner
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Step-by-step explanation:
x2+4x+3x+12
x(x+4)+3(x+4)
therefore: (x+4) (x+3)
x+3=0 ; x+4 =0
x= -3. ; x=-4
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