Question

The co-efficient of x in (x+4) (x+3)=0 is
(a)4
(b)3
(c)+7
(d)-7​

Answer 1

Answer:

$(x + 4)(x + 3) = 0 \\ {x}^{2} + 3x + 4x + 12 = 0 \\ {x}^{2} + 7x + 12 = 0 \\ when \: we \: done \: t \: factor \\ x = - 4 \\or \\ x = - 3$

Step-by-step explanation:

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