Question

4. Subtract the following algebraic expressions vertically
a) (7x2 - 4xy + 5y? - 5x + 2y) - (5r? + 4y2 + 2y - 4)
b) (7ry-xy+ 3x - 2)-(5ry+ry- 6 - 7)
c) (2xy + 4x + 2) - (7 - 5.ry2 + x)
d) (4a' + 4ab) - (-12b2 - 7ab2 - 12a')​

Answer 1

2nd answer.

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