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Solve the following equation by factorization: x(6x – 11) = 35

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प्रश्न

Solve the following equation by factorization:

x(6x – 11) = 35

योग
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उत्तर

Given,

⇒ x(6x – 11) = 35

⇒ 6x2 – 11x – 35 = 0

⇒ 6x2 + 10x – 21x – 35 = 0

⇒ 2x(3x + 5) – 7(3x + 5) = 0

⇒ (3x + 5)(2x – 7) = 0

⇒ (3x + 5) = 0 or (2x – 7) = 0   ...[Using zero-product rule]

⇒ 3x = –5 or 2x = 7

⇒ `x = (-5)/3` or `x = 7/2`

Hence, `x = {(-5)/3, 7/2}`.

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अध्याय 5: Quadratic Equation - EXERCISE 5A [पृष्ठ ५३]

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आर.एस. अग्रवाल Mathematics [English] Class 10 ICSE
अध्याय 5 Quadratic Equation
EXERCISE 5A | Q 19. | पृष्ठ ५३
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