Answer:
The answer is D.
Step-by-step explanation:
Straight from the test. =)
3x - y = 14
-9x + 3y = -42...divide by -3
3x - y = 14...same as first equation....means same line...means infinite solutions
answer is : 3rd answer choice
Answer:
B
Step-by-step explanation:
-5[ (x³+1)(x+4) ] = -5[ x³*(x+4) + 1*(x+4) ]
= -5 [ x³*x + x³*4 + 1*x + 1*4 ]
= -5 [ x⁴ + 4x³ + x + 4]
= -5*x⁴ + (-5)*4x³ + (-5)*x + (-5) * 4
= -5x⁴ - 20x³ - 5x - 20
Answer is 405.3146926 i did it in my calculator
