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Sagot :
Answer:
69
Step-by-step explanation:
We substitute x with 3:
7(3)²+2(3)=
7(9)+6=
63+6=
69
Answer:
69
Step-by-step explanation:
7(9) + 6
63 + 6
69
I put the lines around the 9 to keep the 7 ant 9 separated and i dont get confused!
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PLS MARK BRAINLIEST!
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