Question

4x^2+4x-15=0 in factorization method

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Question:

4x² +4x - 15 = 0

Method to Solve :

By 1st into last factorization method

Type of equation :

Quadratic equation

Application of quadratic :

A certain type of verbal problems can be solved by the method given by quadratic equation .

Solution :

4x² + 4x - 15 = 0

4x² +10x -6x - 15 = 0

2x( 2x + 5) -3( 2x + 5) = 0

(2x + 5) ( 2x - 3 ) = 0

Either,

2x + 5 = 0

2x = -5

x = - 5/2

or,

2x - 3 = 0

2x = 3

x = 3/2

Hence,

x = -5/2, 3/2 answer