Question

25x=45²-30²
solve using identeties
plz
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Answer 1

Answer:

45

Step-by-step explanation:

25x=(45+30)(45-30)

25x=75×15

x=(75×15)/25

x=3×15

x=45

Please mark my answer brainliest

Answer 2

Answer:

45

Step-by-step explanation:

a^2-b^2=(a+b)(a-b),solve using this identity

25x=(45+30)(45-30)

25x=75×15

x=45