Question

Solve the question (x-7)² + (x+7)² ​

Answer 1

Answer:

2(x^2+49)

Step-by-step explanation:

solve the brackets

Answer 2

Answer:

{(x)(x) + 2(x)(7) - (7)(7)} + {(x)(x) + 2(x)(7) + (7)(7)}

(x2 + 14x - 49) + (x2 + 14x + 49)

x2 + 14x -49 + x2 + 14x + 49 = 2x squ. + 28x

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