Answer:
3(13x-5)
Explanation:
first step open your bracket,u have
=4x²+20x-3x-15-4x²+22x then collect like terms
=4x²-4x²+20x-3x+22x-15
=0x²+39x-15
=39x-15
further simplifying u have:
=3(13x-5)
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