Answer:
its 2 x I think u can defirantate
The number of terms in the expression given is; 2.
<h3>How many term are in the expression given?</h3>
It follows from the task content that the expression given is; (3x^2-3)(3x^2+3).
It therefore follows the converse of law regarding difference of two squares that the expression given can be rewritten as;
= 9x⁴ -9
Read more on difference of two squares;
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Answer:

Step-by-step explanation:
51 / 13 = 3.9231 = 3
51 - (13 x 3) = 12

Using pythagorean theorem:
X-3y=-5
-(x+3y=1)
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-6y=-6
y=1
x=-2