Question

if (x-3)(x+b)=x^2-7x+12 then is b equal to​

Answer 1

X2 - 3x + bx -3b = x2 - 7x +12

x2 is cancelled

then,

bx = -7x + 3x +12

bx = -4x +12

b = -3x + 12

b = x = -12 / -3

b = x = 4

Two feet's - Go fc*k yourself by Deadpool

Answer 2

Answer:

answered 4

Step-by-step explanation:

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