Question

Subtract the second expression from the first
(ii) −2𝑏+2𝑐, 𝑏+3𝑐

Answer 1

Solution: Given, −2𝑏+2𝑐, 𝑏+3𝑐
We need to subtract second expression from first = (−2𝑏+2𝑐)−(𝑏+3𝑐)
= −2𝑏+2𝑐−𝑏−3𝑐
= 2𝑏−𝑏+2𝑐−3𝑐
= −3𝑏−𝑐
Hence, the answer is −3𝑏−𝑐.