P= 4ab + 3b^2
Work out the value of a when P= 35 and b= 5.
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the answer is
the value of a is (-2)
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P = 4ab + 3b^2
P = 35
B = 5
35 = 4a(5) + 3(5)^2
35 = 20a + 3×25
35 = 20a + 75
20a + 75 = 35
20a = 35 - 75
20a = -40
a = -40 ÷ 20
a = - 2
Value of a is (-2)
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