JoanCarmelCavsid
JoanCarmelCavsid
Math
Answered
Solve for b in the equation (x+1) (x+a)=x^2+bx+3..
Sagot :
Анонимid
Анонимid
(x + 1) (x + a) = x² + bx + 3
A) Solve for a:
(x + 1) (x + a) = x² + bx + 3
x² + ax + 1x +
1a
= x² + bx +
3
1a = 3
a = 3
B) Plug-in 3 to (x + a):
(x + 1) ( x + 3) = x² + 3x + 1x + 3
= x² +
4
x + 3
ANSWER: b = 4
Answer Link
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