Answer:
4x²+3x-7 is the answer
Step-by-step explanation:
=(4x²-2x)+(5x-7)
opening brackets
=4x²-2x+5x-7
=4x²+3x-7
i hope this will help you :)
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square root(negative 27) =
5.19615242 i
3.15
10.08 / 3.2 = 3.15
