Math, asked by heerasinghlko1958, 18 days ago

7ax² , (-80 ax ²), (-14 ax²)​

Answers

Answered by mishrapiyushh1234
0

Answer:

12x2 - ax + 7 = ax2 + 9x + 3

⇒ 12x2 - ax + 7 - ax2 - 9x - 3 = 0

⇒ (12 - a)x2 - x(a + 9) + 4 = 0

For only one (repeated) solution, b2 - 4ac = 0

⇒ (a + 9)2 - 16(12 - a) = 0

⇒ a2 + 18a + 81 - 192 + 16a = 0

⇒ a2 + 34a - 111 = 0

⇒ (a + 37)(a - 3) = 0

Step-by-step explanation:

Thanks

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