Mathematics, 06.11.2020 05:00 BluedragonKBT44

2x ^2+x+2 if x=5 evaluate the expressions 3x-4+2(7-2x) if x= -2
3xy +7y^2 +2x^2 if x= 2 and y =-4
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2x ^2+x+2 if x=5 evaluate the expressions 3x-4+2(7-2x) if x= -2
3xy +7y^2 +2x^2 if x= 2 and...