Q6
Calculate the value of the following algebraic expression:
3x2 + (x - 1)(x + 1) + 3(x + 2) + 5 at x = -1.
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Answer: 11
Step-by-step explanation:
- To calculate the value of expression at x=(-1).
⇒
⇒
⇒3+[1-1]+3+5
⇒3+0+3+5
⇒ 11
- Hence, the value of given expression at x=(-1 ) is 11.
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