solution:
(x+1)(x+4)=8
x²+4x+x+4=8
x²+5x+4-8=0
x²+5x-4=0
the standard value of a is 1, b is 5 and c is -4
it's standard form is x²+5x-4=0
exolaination:
to find the standard form just use the FOIL method (First, outer, inner and last)
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Answers & Comments
solution:
(x+1)(x+4)=8
x²+4x+x+4=8
x²+5x+4-8=0
x²+5x-4=0
the standard value of a is 1, b is 5 and c is -4
it's standard form is x²+5x-4=0
exolaination:
to find the standard form just use the FOIL method (First, outer, inner and last)