Answer:
3h²-147=0
3h²=147
3h²/3
3h²/3=147/3
h²=49
h=±√ 49
h=7 or h=–7
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Answer:
3h²-147=0
3h²=147
3h²/3
3h²/3=147/3
h²=49
h=±√ 49
h=7 or h=–7