Question

9. Simplify by combining the like terms.
A. 3x - 6 + 2x + 5y + 7x - 4
B. 2xyz + 3xz + 4xyz​

Answer 1

Step-by-step explanation:

Collecting positive and negative like terms together, we get ... (i) 8a-6ab+5b, -6a-ab-8b and -4a+2ab+3b ... If P = 7x2 + 5xy − 9y2, Q = 4y2 − 3x2 − 6xy and R = −4x2 + xy + 5y2, show

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Answer 2

Answer:

a. 3x-6+2x+5y+7x-4

=3x+2x+7x-6-4+5y (collecting like terms)

=12x-10+5y

b.2xyz+3xz+4xyz

=2xyz+4xyz+3xz (collecting like terms)

=6xyz+3xz