Question

Use an identity to evaluate 52² – 18².
pls show working pls​

Answer 1

Step-by-step explanation:

52^2-18^2 = (52+18)(52-18)

due to a^2-b^2 = (a+b)(a-b)

so, (70)(34) = 2280

Answer 2

${52}^{2 } - {18}^{2 } = (52 + 18)(52 - 18) = 70 \times 34 = 2380$

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