<span>Simplifying
k3 + 4k2 + 4k = -1k3 + 10k
Reorder the terms:
4k + 4k2 + k3 = -1k3 + 10k
Reorder the terms:
4k + 4k2 + k3 = 10k + -1k3
</span><span>
</span>
Answer:
9. -2
10. 0
Step-by-step explanation:
It is not undefined because the slope of horizontal lines are 0
Answer:
see explanation
Step-by-step explanation:
Given
23x + xy - y + 3y + 5 - 20x + 6xy ← collect like terms
= (23x - 20x) + (xy + 6xy) + (- y + 3y) + 5
= 3x + 7xy + 2y + 5
He combined the coefficients of the x- term incorrectly
He combined the coefficients of the y- term incorrectly
He missed out the constant term ( + 5)
