What is the standard form of # y= (3x+3)(4x-5)#?

1 Answer
Jim G.
May 14, 2017

#12x^2-3x-15#

Explanation:

#"the equation of a parabola in " color(blue)"standard form"# is.

#• y=ax^2+bx+c#

#"to obtain " y=(3x+3)(4x-5)" in this form"#

#"expand the brackets using FOIL method"#

#rArr(3x+3)(4x-5)#

#=12x^2-15x+12x-15#

#=12x^2-3x-15#

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