This is probably the answer I’m not 100% sure
Answer:
(x - 9)(x + 5)
Step-by-step explanation:
x² − 4x − 45 =
= x² + 5x - 9x - 45
= x(x + 5) - 9(x + 5)
= (x - 9)(x + 5)
Answer:
Step-by-step explanation:
Step 1- Divide the total grams of 7 pens
68.4 divided by 7= 9.77143
Step 2- Multiply by 4
9.77143 times 4= 39.08572
Answer:
x=3
Step-by-step explanation:
You would plug y=x+2 in for the y in 2x+y=11
2x+x+2=11
3x+2=11
3x=9
x=3
