Answer:
l
Step-by-step explanation:
l
Answer:
16x² − 56x + 49
Step-by-step explanation:
The square of difference of two terms can be expressed as a perfect square trinomial in the following manner:
The symbol with square terms must be always positive. So this removes the first two options from the given choices. The correct option is either c or d.
Only the option d can be expressed as a perfect square as shown below:
Option c would have been correct if it was -30b instead of -15b i.e. the middle term is twice the product of first and second term.
So, option D is correct
<span>100 ÷ 5 × 4 + 43 = 48 is the answer.
First multiply then divide and finally add.
100 / 20 + 43
5 + 43 = 48</span>
Answer:
0
Step-by-step explanation: