Taking 4 out from first two terms, we will get
Now we divide the coefficient of x by 2 and add and subtract the square of the result, we will get
Distributing 4
Cancelling 9
And that's the required standard form.
Evaluate 3/4 x for x = 5 A. 15 B. 10/4 C. 3 1/4 D. 3 3/4
2 answers:
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Answer:
Step-by-step explanation:
Take out 4:
4(x^2-8x)-12
=4(x^2-8x+16-16)-12
=4(x^2-8x+16)-64-12
=4(x^2-4)^2 - 76
=