Question

Q12. The polynomial equation x(x + 7) + 3 = (x + 23) (x - 23) is a *
linear equation
quadratic equation
cubic equation
bi-quadratic equation​

Answer 1

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Answer:

x square + 7x + 3 = x 2 - 529

So the highest degree is 2

Then it is a quadratic equation

Answer 2

Answer:

Simplify the given equation.

x(x+7)+3=(x+23)(x−23)

Step 1: Simplify both sides of the equation.

x²+7x+3=x²−529

Step 2: Subtract x^2 from both sides.

x²+7x+3−x²=x²−529−x²

7x+3=−529

Step 3: Subtract 3 from both sides.

7x+3−3=−529−3

7x=−532

Step 4: Divide both sides by 7.

7x

÷7

=

−532

÷7

x=−76.

x=-76 is an linear equation.

Thus, option (a) is correct.

HOPE THIS HELPS :D