Question

$20 {x}^{2} + 15 {x}^{2} + 12 {x}^{2}$
​

Answer 1

Step-by-step explanation:

20x2 +15x2 +12x2

35x^2+12x^2

47x^2

Answer 2

$\huge{\rm{\green{answer-}}}$

$\pink{20 {x}^{2} + 15 {x}^{2} + 12 {x}^{2} } \\ \\ \green{ = (20 + 15 + 12) \times {x}^{2} } \\ \\ \orange{= 47 \times {x}^{2} } \\ \\ \red{= 47 {x}^{2} }$

$<b><marquee>$Mark me as brainliest