165=(x+5)^2-x^2
solve it plz. step by step
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Given Equation is 165 = (x + 5)^2 - x^2
We know that (a + b)^2 = a^2 + b^2 + 2ab.
= > 165 = x^2 + 25 + 10x - x^2
= > 165 = 25 + 10x
= > 10x = 140
= > x = 140/10
x = 14.
Hope this helps!
We know that (a + b)^2 = a^2 + b^2 + 2ab.
= > 165 = x^2 + 25 + 10x - x^2
= > 165 = 25 + 10x
= > 10x = 140
= > x = 140/10
x = 14.
Hope this helps!
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