Solve x2 – 12x + 36 = 90 for x.
See attachment below.
The Answer is A) X=6+3/10 Step-by-step explanation: x
=
6
+
3
√
10
, 6
−
3
√
10
Decimal Form:
x = 15.48683298
, −
3.48683298
The correct answer is A. x = 6 + 3 √10 Step-by-step explanation: Let’s solve for x: x² – 12x + 36 = 90 Factoring this quadratic equation, we have: (x – 6) (x – 6) = 90 (x – 6)² = 90 x – 6 = √90 (Square root to both sides of the equation) x = 6 + √90 (Adding 6 to both sides of the equation) x = 6 + √9 * 10 x = 6 + √3² * 10 x = 6 + 3 √10 The correct answer is A. x = 6 + 3 √10
Trinomial cannot be factored.
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