Answer:
opening the bracket, the expression becomes
12x^2-28-19x^2
collect like terms
12x2-19x^2-28
-7x^2-28
-7(x^2+4)
Answer:
2
Step-by-step explanation:
Big Brain
Answer:
y= -3x
Step-by-step explanation:
Answer:
-8/9 or -0.8 repeating
Step-by-step explanation:
