On factorizing the above equation,x2 + 8x + 7 = 0x2 + 7x + x + 7 = 0x(x + 7) + 1(x + 7) = 0(x + 7) (x + 1) = 0Solving the first part,x + 7= 0x = -7Solving the second part,x + 1 = 0x = -1

Q. 2 H5.0( 1 Vote )

Solve the followi

Class 10th Rajasthan Board Mathematics 3. Polynomials

Answer :

On factorizing the above equation,

x² + 8x + 7 = 0

x² + 7x + x + 7 = 0

x(x + 7) + 1(x + 7) = 0

(x + 7) (x + 1) = 0

Solving the first part,

x + 7= 0

x = -7

Solving the second part,

x + 1 = 0

x = -1

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