Question

if x=-3 then find the value of polynomial x2+5x-10​

Answer 1

Answer:

• x = - 3

• now , ( - 3 )^2 + 5 × - 3 - 10
• = 9 - 15 - 10
• = - 16

Step-by-step explanation:

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Answer 2

Answer:

At x = (-3) value of f(x) is (-16).

Step-by-step explanation:

A specific kind of expression is a polynomial. A mathematical statement without the equals symbol (=) is called an expression. An algebraic expression known as a polynomial requires that all of its exponents be whole numbers. Any polynomial must have variable exponents that are non-negative integers. Although a polynomial contains variables and constants, we are unable to divide a polynomial by a variable.

Step 1: Putting value of x = (-3) in f(x) we get,

Step 2:  f(x) = x² + 5x - 10

Step 3: f(-3) = (-3)² + 5 * (-3) - 10

Step 4: f(-3) = 9 - 15 - 10

Step 5: f(-3) = 9 - 25

Step 6: f(-3) = (-16)

The value of polynomial x^2+5x-10​ is -16.

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