Question

1. Add the following:
EXERCISE Time 12.2
(b) 16ab, 7ab, -9ab, - 4ab
(a) a², 5a², – ga²
(c) 2x²y, 6x² – 3x²
(1) 3x² + 4x, 5x2 – 3x, 2x - 4x2
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2
(d) xy?, - 6xy2, 8xy2, 9xy
(e) 2a + b, 5a - 6b, 3a - b
cypressions​

Answer 1

Answer:

can't understand your question

Answer 2

Answer:

a)a2+5a-9a2(9-5)a2

9-5a2

= -3a2