Answer:
y = x ^2 + 3x - 5 and x + y = -10
Step-by-step explanation:
4(3 + 2x)(-3 + 2x)
GCF: 2x
Factored: 2x(x+3)(x-3)
t+4, t≠8
The value of t must not be one that makes the denominator zero, hence must not be 8.