Question

x squate + 2× + 1 = 49 . find x​

Answer 1

hi dear here iš ur answer


Simplifying x2 + 2x + 1 = 49

Reorder the terms: 1 + 2x + x2 = 49

Solving 1 + 2x + x2 = 49

Solving for variable 'x

'. Reorder the terms: 1 + -49 + 2x + x2 = 49 + -49

Combine like terms: 1 + -49 = -48 -48 + 2x + x2 = 49 + -49

Combine like terms: 49 + -49 = 0 -48 + 2x + x2 = 0

Factor a trinomial. (-8 + -1x)(6 + -1x) = 0

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Answer 2

Answer:

x² + 2x + 1 = 49

⇒ (x + 1 ) ( x + 1) = 49

⇒ (x + 1)² = √49

⇒ x + 1 = √49

⇒ x + 1 = 7

⇒ x = 7 - 1

⇒ x = 6

Hence, the value of x is 6.

Verification ;

Putting the value of x in the equation;

x² + 2x + 1 = 49

⇒ 6² + 2 * 6 + 1 = 49

⇒ 36 + 12 + 1 = 49

⇒ 49 = 49

⇒ LHS = RHS

Hence, the answer is 6.