pls show full steps
will mark brainliest n follow
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Answer:
√7
Step-by-step explanation:
3√63 - 2√28 - √112 √63 = √9 * √7 = 3√7 3√7 * 3 = 9√7
9√7 - 4√7 - 4√7= √28 = √4 * √7 = 2√7 2√7 * 2 = 4√7
√7 √112 = √16 * √7 = 4√7
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