1. Simplify combining like terms:
(i) 21b-32 + 7b-20b
(ii) - z2 + 13z2 - 5z + 773 - 15z
(iii) P-(-9)-9-(9-p)
(iv) 3a - 2b - ab - (a - b + ab) + 3ab + b - a
(v) 5x²y - 5x² + 3yx² – 3y² + x²- y² + 8xy² – 3y²
(vi) (3y2 + 5y - 4) - (8y - y2 – 4)
Answer the v and vi one I will mark you brainliest please fast
...... as soon as possible
Answers
Answered by
1
Answer:
3
a
–
2
b
–
a
b
–
a
+
b
–
a
b
+
3
a
b
+
b
–
a
=
3
a
–
a
–
a
–
2
b
+
b
+
b
–
a
b
–
a
b
+
3
a
b
=
3
a
–
2
a
–
2
b
+
2
b
–
2
a
b
+
3
a
b
=
a
+
a
b
5
x
2
y
–
5
x
2
+
3
y
x
2
–
3
y
2
+
x
2
–
y
2
+
8
x
y
2
–
3
y
2
=
5
x
2
y
+
3
x
2
y
–
5
x
2
+
x
2
–
3
y
2
–
y
2
+
8
x
y
2
=
8
x
2
y
–
4
x
2
–
4
y
2
+
8
x
y
2
Step-by-step explanation:
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