Question

5x2 +12x+17 find this solution

Answer 1

5x²-12x-17= 0

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Answer 2

given:

A quadratic polynomial 5x^2 + 12x +7

To Find:

We need to find the zeroes of this

polynomial.

Solution:

We can find the zeroes of the given

polynomial by the method of splitting the

middle term.

Given quation is 5x^2 + 12x +7

We need to find two such numbers whose

sum is 12 and product is 5x 7 35.

The two numbers are 5 and 7.

Now,

5x^2+5x+7x+7

5x(X+ 1)+7(x+1)

(5x +7) (x+ 1)

Either 5x+7 = 0 or x + 1 0

when,

5x +7 0

5x= -7

x= -7/5______ (1)

when,

X+ 1 0

x = -1 ________(2)

X = -1

From 1 and 2

The two zeroes of quadratic polynomial

5x^2+12x+ 7 are -7/5 and -1.

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