Question 33

Expand and simplify $$(x + 5)^2 + (x - 3)^2$$

Solution

Expression : $$(x + 5)^2 + (x - 3)^2$$

= $$(x^2 + 10x + 25) + (x^2 - 6x + 9)$$

= $$2x^2 + 4x + 34$$

= $$2(x^2 + 2x + 17)$$

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