Question

Please simplify the following

Answer 1

a) -10ab
b) 4x +3y +7z
c) -a^2 -ab +3b^2
d) 34x

Answer 2

Answer:

Step-by-step explanation:

(A) 7ab+(-8ab)+10ab+(-19ab)

=> 17ab-27ab = -10ab

(B)2x+3y+7z+3x+(-y)+z+(-x)+y+(-z)

=> 2x+3x-x+3y-y+y+7z+z-z

= 5x+3y+7z

(C) a^2 +(-7ab)+b^2+2 b^2 +(-2a^2)+8ab

= -a^2+3b^2+ab

(D) 4x+7x+8x+15x

= 34x

Hope it helps....

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