The area of a rectangular garden in Pune is given by A=x2+9x+18 square metres. Its length and breadth are linear expressions in x. If the breadth is (x+3) metres, what is the length?
Class 9Factor Theorem and FactorisationPolynomials
A(x+6)m
B(x+9)m
C(x+18)m
D(x+3)m
Step-by-Step Solution
x2+9x+18=(x+3)(x+6). Since breadth is (x+3), the length must be (x+6) metres.
Answer: A) (x+6)m
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