What are the solutions of the given equation 2x^2+9x+10=0

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Step-by-step explanation:

Given

2x² + 9x + 10 = 0

To factor the quadratic

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 2 × 10 = 20 and sum = + 9

The factors are + 4 and + 5

Use these factors to split the x- term

2x² + 4x + 5x + 10 = 0 ( factor the first/second and third/fourth terms )

2x(x + 2) + 5(x + 2) = 0 ← factor out (x + 2) from each term

(x + 2)(2x + 5) = 0

Equate each factor to zero and solve for x

x + 2 = 0 ⇒ x = - 2

2x + 5 = 0 ⇒ 2x = - 5 ⇒ x = -

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