please help step by step
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Answer:
69 sqrt 2 - 10 sqrt 3
Step-by-step explanation:
7 sqrt98 + 5 sqrt32 -2 sqrt75
highest common factors-
98= 49×2
32= 16×2
75= 25×3
because the square applies to all of them you then get-square 49,16,25
7×7 sqrt 2 + 5×4 sqrt 2 - 2×5 sqrt 3
49 sqrt 2+ 20 sqrt 2-10 sqrt3
69 sqrt 2 -10 sqrt 3
please give brainliest